12726731204 has 24 divisors (see below), whose sum is σ = 24659126688. Its totient is φ = 5698535040.

The previous prime is 12726731161. The next prime is 12726731207. The reversal of 12726731204 is 40213762721.

It is not an unprimeable number, because it can be changed into a prime (12726731207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155589 + ... + 2161484.

It is an arithmetic number, because the mean of its divisors is an integer number (1027463612).

Almost surely, 2^12726731204 is an apocalyptic number.

It is an amenable number.

12726731204 is a deficient number, since it is larger than the sum of its proper divisors (11932395484).

12726731204 is a wasteful number, since it uses less digits than its factorization.

12726731204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317155 (or 4317153 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 12726731204 in words is "twelve billion, seven hundred twenty-six million, seven hundred thirty-one thousand, two hundred four".