12957276 has 24 divisors (see below), whose sum is σ = 30937984. Its totient is φ = 4218480.

The previous prime is 12957253. The next prime is 12957293. The reversal of 12957276 is 67275921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12040 + ... + 13071.

Almost surely, 2^12957276 is an apocalyptic number.

It is an amenable number.

12957276 is an abundant number, since it is smaller than the sum of its proper divisors (17980708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12957276 is a wasteful number, since it uses less digits than its factorization.

12957276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25161 (or 25159 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 12957276 is about 3599.6216467846. The cubic root of 12957276 is about 234.8756003734.

The spelling of 12957276 in words is "twelve million, nine hundred fifty-seven thousand, two hundred seventy-six".