12576388 has 12 divisors (see below), whose sum is σ = 24009552. Its totient is φ = 5716520.

The previous prime is 12576371. The next prime is 12576391. The reversal of 12576388 is 88367521.

It is a self number, because there is not a number n which added to its sum of digits gives 12576388.

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, 142870 + ... + 142957.

It is an arithmetic number, because the mean of its divisors is an integer number (2000796).

Almost surely, 2^12576388 is an apocalyptic number.

It is an amenable number.

12576388 is a deficient number, since it is larger than the sum of its proper divisors (11433164).

12576388 is a wasteful number, since it uses less digits than its factorization.

12576388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285842 (or 285840 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 12576388 is about 3546.3203465000. The cubic root of 12576388 is about 232.5512308580.

The spelling of 12576388 in words is "twelve million, five hundred seventy-six thousand, three hundred eighty-eight".