12887252008 has 8 divisors (see below), whose sum is σ = 24163597530. Its totient is φ = 6443626000.

The previous prime is 12887252003. The next prime is 12887252009. The reversal of 12887252008 is 80025278821.

It can be written as a sum of positive squares in only one way, i.e., 12869087364 + 18164644 = 113442^2 + 4262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12887252003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805453243 + ... + 805453258.

Almost surely, 2^12887252008 is an apocalyptic number.

It is an amenable number.

12887252008 is a deficient number, since it is larger than the sum of its proper divisors (11276345522).

12887252008 is a wasteful number, since it uses less digits than its factorization.

12887252008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610906507 (or 1610906503 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The spelling of 12887252008 in words is "twelve billion, eight hundred eighty-seven million, two hundred fifty-two thousand, eight".