12520504 has 16 divisors (see below), whose sum is σ = 24111000. Its totient is φ = 6090912.

The previous prime is 12520499. The next prime is 12520507. The reversal of 12520504 is 40502521.

12520504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20854 + ... + 21445.

Almost surely, 2^12520504 is an apocalyptic number.

It is an amenable number.

12520504 is a deficient number, since it is larger than the sum of its proper divisors (11590496).

12520504 is a wasteful number, since it uses less digits than its factorization.

12520504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42342 (or 42338 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 12520504 is about 3538.4324212849. The cubic root of 12520504 is about 232.2062672110.

The spelling of 12520504 in words is "twelve million, five hundred twenty thousand, five hundred four".