12513938 has 32 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 5593600.

The previous prime is 12513931. The next prime is 12513953. The reversal of 12513938 is 83931521.

It is not an unprimeable number, because it can be changed into a prime (12513931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65423 + ... + 65613.

It is an arithmetic number, because the mean of its divisors is an integer number (653184).

Almost surely, 2^12513938 is an apocalyptic number.

12513938 is a deficient number, since it is larger than the sum of its proper divisors (8387950).

12513938 is a wasteful number, since it uses less digits than its factorization.

12513938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298.

The product of its digits is 6480, while the sum is 32.

The square root of 12513938 is about 3537.5044876297. The cubic root of 12513938 is about 232.1656689265.

The spelling of 12513938 in words is "twelve million, five hundred thirteen thousand, nine hundred thirty-eight".