12792003866 has 32 divisors (see below), whose sum is σ = 20457474048. Its totient is φ = 5989097520.

The previous prime is 12792003857. The next prime is 12792003881. The reversal of 12792003866 is 66830029721.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262841 + ... + 307683.

It is an arithmetic number, because the mean of its divisors is an integer number (639296064).

Almost surely, 2^12792003866 is an apocalyptic number.

12792003866 is a deficient number, since it is larger than the sum of its proper divisors (7665470182).

12792003866 is a wasteful number, since it uses less digits than its factorization.

12792003866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45026.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 12792003866 in words is "twelve billion, seven hundred ninety-two million, three thousand, eight hundred sixty-six".