12887392 has 36 divisors (see below), whose sum is σ = 29518020. Its totient is φ = 5522496.

The previous prime is 12887389. The next prime is 12887417. The reversal of 12887392 is 29378821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2542 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (819945).

Almost surely, 2^12887392 is an apocalyptic number.

It is an amenable number.

12887392 is an abundant number, since it is smaller than the sum of its proper divisors (16630628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12887392 is an equidigital number, since it uses as much as digits as its factorization.

12887392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243 (or 8228 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 12887392 is about 3589.9013914034. The cubic root of 12887392 is about 234.4525782180.

The spelling of 12887392 in words is "twelve million, eight hundred eighty-seven thousand, three hundred ninety-two".