12865374 has 24 divisors (see below), whose sum is σ = 28259712. Its totient is φ = 4229280.

The previous prime is 12865373. The next prime is 12865393. The reversal of 12865374 is 47356821.

12865374 is a `hidden beast` number, since 1 + 286 + 5 + 374 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12865373) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3582 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (1177488).

Almost surely, 2^12865374 is an apocalyptic number.

12865374 is an abundant number, since it is smaller than the sum of its proper divisors (15394338).

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

12865374 is a wasteful number, since it uses less digits than its factorization.

12865374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872 (or 9869 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 12865374 is about 3586.8334223936. The cubic root of 12865374 is about 234.3189820255.

The spelling of 12865374 in words is "twelve million, eight hundred sixty-five thousand, three hundred seventy-four".