12 Number Properties & Facts

Twelve

Primality

Prime Factorization of 12: 2² × 3¹
Number of Divisors in 12: 6
1, 2, 3, 4, 6, 12; 1, 2, 3, 4, 6, 12
Is 12 Prime?: No

Trigonometry

Sine of 12: -0.53657291800043; Cosecant: -1.8636795977824
Cosine of 12: 0.84385395873249; Secant: 1.185039176094
Tangent of 12: -0.63585992866158; Cotangent: -1.5726734063977

Functions

Square of 12: 144; 12 × 12 = 144
Square Root of 12: 3.4641016151378; 3.4641016151378² = 12
Natural Logarithm (ln) of 12: 2.484906649788; e^{2.484906649788} = 12
Decimal Logarithm (log) of 12: 1.0791812460476; 10^{1.0791812460476} = 12

Numeric Bases

12 in Binary: 0b1100; Base 2
12 in Octal: 014; Base 8
12 in Hexadecimal: 0xC; Base 16

Convert 12 to Other Bases

Sequences

Is 12 a Fibonacci Number?: No
Is 12 a Bell Number?: No
Is 12 a Catalan Number?: No
Is 12 a Factorial?: No
Is 12 a Perfect Number?: No

Calculate 12! Calculate Γ(12) Fibonacci 12 Bernoulli 12 Euler 12

Translations

How do you say 12 in different languages?

English	twelve
español	doce
français	douze
Deutsch	zwölf
Nederlands	twaalf
русский	двенадцать
українська	дванадцять
Tiếng Việt	mười hai
العربية	إثنا عشر
עברית	שתים עשרה
हिन्दी	बारह
中文	十二
日本語	十二
한국어	십이
čeština	dvanáct
hrvatski	dvanaest
slovenčina	dvanásť
polski	dwanaście
Türkçe	on iki
português	doze
italiano	dodici
svenska	tolv
suomi	kaksitoista
norsk	tolv
Filipino	labíng-dalawá
Melayu	dua belas
မြန်မာ	ဆယ့်နှစ်
Indonesia	dua belas
Kiswahili	kumi na mbili

Miscellaneous

Number of Significant Figures in 12: 2
Hamming Weight of 12: 2
Is 12 a Hamming (Regular) Number?: Yes
Is 12 a Humble Number?: Yes
Is 12 a Polygonal (s < 13) Number?: Pentagonal (3), Dodecagonal (2)
Is 12 a Happy Number?: No
Is 12 a Self Describing Number?: No
Is 12 a Palindrome?: No
Is 12 a Münchhausen Number?: No
Is 12 an Eban Number?: No
Is 12 a Pernicious Number?: Yes
Is 12 a Attractive Number?: Yes
Is 12 a Perfect Square?: No
Is 12 a Perfect Power?: No