12982864 has 10 divisors (see below), whose sum is σ = 25154330. Its totient is φ = 6491424.

The previous prime is 12982859. The next prime is 12982889. The reversal of 12982864 is 46828921.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 166464 = 3580^2 + 408^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405699 + ... + 405730.

It is an arithmetic number, because the mean of its divisors is an integer number (2515433).

Almost surely, 2^12982864 is an apocalyptic number.

It is an amenable number.

12982864 is a deficient number, since it is larger than the sum of its proper divisors (12171466).

12982864 is an equidigital number, since it uses as much as digits as its factorization.

12982864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811437 (or 811431 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 12982864 is about 3603.1741562128. The cubic root of 12982864 is about 235.0301093155.

The spelling of 12982864 in words is "twelve million, nine hundred eighty-two thousand, eight hundred sixty-four".