12892687008 has 48 divisors (see below), whose sum is σ = 33853581216. Its totient is φ = 4296257280.

The previous prime is 12892686997. The next prime is 12892687009. The reversal of 12892687008 is 80078629821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (12892687009) 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 7 ways as a sum of consecutive naturals, for example, 328263 + ... + 365433.

It is an arithmetic number, because the mean of its divisors is an integer number (705282942).

Almost surely, 2^12892687008 is an apocalyptic number.

It is an amenable number.

12892687008 is an abundant number, since it is smaller than the sum of its proper divisors (20960894208).

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

12892687008 is a wasteful number, since it uses less digits than its factorization.

12892687008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40797 (or 40789 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 12892687008 in words is "twelve billion, eight hundred ninety-two million, six hundred eighty-seven thousand, eight".