12865038 has 32 divisors (see below), whose sum is σ = 26904960. Its totient is φ = 4095840.

The previous prime is 12865019. The next prime is 12865057. The reversal of 12865038 is 83056821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12865019) and next prime (12865057).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18273 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (840780).

Almost surely, 2^12865038 is an apocalyptic number.

12865038 is an abundant number, since it is smaller than the sum of its proper divisors (14039922).

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

12865038 is a wasteful number, since it uses less digits than its factorization.

12865038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12865038 is about 3586.7865841168. The cubic root of 12865038 is about 234.3169421350.

The spelling of 12865038 in words is "twelve million, eight hundred sixty-five thousand, thirty-eight".