12578992 has 20 divisors (see below), whose sum is σ = 24429240. Its totient is φ = 6274688.

The previous prime is 12578987. The next prime is 12579023. The reversal of 12578992 is 29987521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9948 + ... + 11140.

It is an arithmetic number, because the mean of its divisors is an integer number (1221462).

Almost surely, 2^12578992 is an apocalyptic number.

It is an amenable number.

12578992 is a deficient number, since it is larger than the sum of its proper divisors (11850248).

12578992 is a wasteful number, since it uses less digits than its factorization.

12578992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1854 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 12578992 is about 3546.6874686107. The cubic root of 12578992 is about 232.5672800240.

The spelling of 12578992 in words is "twelve million, five hundred seventy-eight thousand, nine hundred ninety-two".