12 (number)

natural number

12 (also written as twelve) is a number. It comes between eleven and thirteen, and it is an even number. It is divisible by 1, 2, 3, 4, 6, and 12. Its ordinal is 12th (twelfth). In Roman numerals, it is written as XII. It is the base of duodecimal numbers. It is often called dozen.

← 11 12 13 →
Cardinaltwelve
Ordinal12th
(twelfth)
Factorization22× 3
Greek numeralΙΒ´
Roman numeralXII
Greek prefixdodeca-/dodeka-
Latin prefixduodeca-
Binary11002
Ternary1103
Quaternary304
Quinary225
Senary206
Octal148
Duodecimal1012
HexadecimalC16
VigesimalC20
Base 36C36

12 is also referred to as, The Twelve Imams or the Twelve Apostles of Christ



Mathematics change

References change

  1. "Even abundant numbers - OeisWiki".