12807988 has 12 divisors (see below), whose sum is σ = 22748992. Its totient is φ = 6308280.

The previous prime is 12807983. The next prime is 12807989. The reversal of 12807988 is 88970821.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12807983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23628 + ... + 24163.

Almost surely, 2^12807988 is an apocalyptic number.

It is an amenable number.

12807988 is a deficient number, since it is larger than the sum of its proper divisors (9941004).

12807988 is a wasteful number, since it uses less digits than its factorization.

12807988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47862 (or 47860 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 12807988 is about 3578.8249468226. The cubic root of 12807988 is about 233.9700694667.

The spelling of 12807988 in words is "twelve million, eight hundred seven thousand, nine hundred eighty-eight".