12775639704 has 32 divisors (see below), whose sum is σ = 31992278640. Its totient is φ = 4251456000.

The previous prime is 12775639693. The next prime is 12775639717. The reversal of 12775639704 is 40793657721.

It is a happy number.

It is a congruent number.

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, 428437 + ... + 457284.

Almost surely, 2^12775639704 is an apocalyptic number.

It is an amenable number.

12775639704 is an abundant number, since it is smaller than the sum of its proper divisors (19216638936).

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

12775639704 is a wasteful number, since it uses less digits than its factorization.

12775639704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886331 (or 886327 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 12775639704 in words is "twelve billion, seven hundred seventy-five million, six hundred thirty-nine thousand, seven hundred four".