12873871504 has 40 divisors (see below), whose sum is σ = 26953634232. Its totient is φ = 5921479680.

The previous prime is 12873871481. The next prime is 12873871529. The reversal of 12873871504 is 40517837821.

It can be written as a sum of positive squares in 4 ways, for example, as 879241104 + 11994630400 = 29652^2 + 109520^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44677 + ... + 166564.

Almost surely, 2^12873871504 is an apocalyptic number.

It is an amenable number.

12873871504 is an abundant number, since it is smaller than the sum of its proper divisors (14079762728).

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

12873871504 is a wasteful number, since it uses less digits than its factorization.

12873871504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211555 (or 211549 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 12873871504 in words is "twelve billion, eight hundred seventy-three million, eight hundred seventy-one thousand, five hundred four".