12785924 has 6 divisors (see below), whose sum is σ = 22375374. Its totient is φ = 6392960.

The previous prime is 12785869. The next prime is 12785933. The reversal of 12785924 is 42958721.

It can be written as a sum of positive squares in only one way, i.e., 12376324 + 409600 = 3518^2 + 640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598237 + ... + 1598244.

It is an arithmetic number, because the mean of its divisors is an integer number (3729229).

Almost surely, 2^12785924 is an apocalyptic number.

It is an amenable number.

12785924 is a deficient number, since it is larger than the sum of its proper divisors (9589450).

12785924 is a wasteful number, since it uses less digits than its factorization.

12785924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196485 (or 3196483 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 12785924 is about 3575.7410420779. The cubic root of 12785924 is about 233.8356407861.

The spelling of 12785924 in words is "twelve million, seven hundred eighty-five thousand, nine hundred twenty-four".