12990592 has 16 divisors (see below), whose sum is σ = 25879950. Its totient is φ = 6495232.

The previous prime is 12990587. The next prime is 12990619. The reversal of 12990592 is 29509921.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 2903616 = 3176^2 + 1704^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50617 + ... + 50872.

Almost surely, 2^12990592 is an apocalyptic number.

It is an amenable number.

12990592 is a deficient number, since it is larger than the sum of its proper divisors (12889358).

12990592 is an equidigital number, since it uses as much as digits as its factorization.

12990592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101503 (or 101491 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 12990592 is about 3604.2463844748. The cubic root of 12990592 is about 235.0767336561.

The spelling of 12990592 in words is "twelve million, nine hundred ninety thousand, five hundred ninety-two".