12591364 has 24 divisors (see below), whose sum is σ = 22551480. Its totient is φ = 6150144.

The previous prime is 12591343. The next prime is 12591379. The reversal of 12591364 is 46319521.

It can be written as a sum of positive squares in 4 ways, for example, as 2402500 + 10188864 = 1550^2 + 3192^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40072 + ... + 40384.

It is an arithmetic number, because the mean of its divisors is an integer number (939645).

Almost surely, 2^12591364 is an apocalyptic number.

It is an amenable number.

12591364 is a deficient number, since it is larger than the sum of its proper divisors (9960116).

12591364 is a wasteful number, since it uses less digits than its factorization.

12591364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 12591364 is about 3548.4312026584. The cubic root of 12591364 is about 232.6435018065.

The spelling of 12591364 in words is "twelve million, five hundred ninety-one thousand, three hundred sixty-four".