12957508 has 6 divisors (see below), whose sum is σ = 22675646. Its totient is φ = 6478752.

The previous prime is 12957481. The next prime is 12957509. The reversal of 12957508 is 80575921.

12957508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 4937284 = 2832^2 + 2222^2 .

It is not an unprimeable number, because it can be changed into a prime (12957509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619685 + ... + 1619692.

Almost surely, 2^12957508 is an apocalyptic number.

It is an amenable number.

12957508 is a deficient number, since it is larger than the sum of its proper divisors (9718138).

12957508 is a wasteful number, since it uses less digits than its factorization.

12957508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239381 (or 3239379 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 12957508 is about 3599.6538722494. The cubic root of 12957508 is about 234.8770021807.

The spelling of 12957508 in words is "twelve million, nine hundred fifty-seven thousand, five hundred eight".