12502538 has 16 divisors (see below), whose sum is σ = 19538280. Its totient is φ = 5992896.

The previous prime is 12502507. The next prime is 12502543. The reversal of 12502538 is 83520521.

12502538 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 4 ways, for example, as 12229009 + 273529 = 3497^2 + 523^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8420 + ... + 9792.

Almost surely, 2^12502538 is an apocalyptic number.

12502538 is a deficient number, since it is larger than the sum of its proper divisors (7035742).

12502538 is a wasteful number, since it uses less digits than its factorization.

12502538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 12502538 is about 3535.8928151176. The cubic root of 12502538 is about 232.0951477543.

The spelling of 12502538 in words is "twelve million, five hundred two thousand, five hundred thirty-eight".