12538704 has 20 divisors (see below), whose sum is σ = 32391776. Its totient is φ = 4179552.

The previous prime is 12538679. The next prime is 12538723. The reversal of 12538704 is 40783521.

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 3 ways as a sum of consecutive naturals, for example, 130564 + ... + 130659.

Almost surely, 2^12538704 is an apocalyptic number.

It is an amenable number.

12538704 is an abundant number, since it is smaller than the sum of its proper divisors (19853072).

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

12538704 is a wasteful number, since it uses less digits than its factorization.

12538704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261234 (or 261228 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 12538704 is about 3541.0032476687. The cubic root of 12538704 is about 232.3187256227.

The spelling of 12538704 in words is "twelve million, five hundred thirty-eight thousand, seven hundred four".