12815874 has 16 divisors (see below), whose sum is σ = 28479840. Its totient is φ = 4271940.

The previous prime is 12815867. The next prime is 12815923. The reversal of 12815874 is 47851821.

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, 118612 + ... + 118719.

It is an arithmetic number, because the mean of its divisors is an integer number (1779990).

Almost surely, 2^12815874 is an apocalyptic number.

12815874 is an abundant number, since it is smaller than the sum of its proper divisors (15663966).

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

12815874 is a wasteful number, since it uses less digits than its factorization.

12815874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237342 (or 237336 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 12815874 is about 3579.9265355591. The cubic root of 12815874 is about 234.0180788136.

It can be divided in two parts, 12815 and 874, that added together give a square (13689 = 117²).

The spelling of 12815874 in words is "twelve million, eight hundred fifteen thousand, eight hundred seventy-four".