12276231 has 16 divisors (see below), whose sum is σ = 18195840. Its totient is φ = 7298720.

The previous prime is 12276211. The next prime is 12276233. The reversal of 12276231 is 13267221.

12276231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12276231 - 2⁹ = 12275719 is a prime.

It is a super-2 number, since 2×12276231² = 301411695130722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (1137240).

Almost surely, 2^12276231 is an apocalyptic number.

12276231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12276231 is a deficient number, since it is larger than the sum of its proper divisors (5919609).

12276231 is a wasteful number, since it uses less digits than its factorization.

12276231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086.

The product of its digits is 1008, while the sum is 24.

The square root of 12276231 is about 3503.7452818377. The cubic root of 12276231 is about 230.6862365571.

The spelling of 12276231 in words is "twelve million, two hundred seventy-six thousand, two hundred thirty-one".