12262

12262 is a natural number that comes after 12261 and before 12263. It is even and composite. The prime factorization of 12262 is 2 × 6131, where 6131 is a prime number. Consequently, 12262 is a semiprime and is square-free, having exactly four positive divisors: 1, 2, 6131, and 12262.

In mathematics, the Euler totient function φ(12262) equals (2−1)(6131−1) = 6130, and the number of divisors τ(12262) = 4. The sum of its digits is 1+2+2+6+2 = 13, so it is not divisible by 3. In base 2, 12262 is written as 10111111100110. It lies between 110^2 = 12100 and 111^2 = 12321, so it is not a perfect square.

In other contexts: As a decimal integer, 12262 may appear in various catalogs, identifiers, or codes depending on context; the number itself has no inherent meaning beyond its mathematical properties.

See also: Semiprime, List of composite numbers.