12638712404 has 12 divisors (see below), whose sum is σ = 22118880000. Its totient is φ = 6319032408.

The previous prime is 12638712403. The next prime is 12638712413. The reversal of 12638712404 is 40421783621.

12638712404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638712403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21197 + ... + 160395.

It is an arithmetic number, because the mean of its divisors is an integer number (1843240000).

Almost surely, 2^12638712404 is an apocalyptic number.

It is an amenable number.

12638712404 is a deficient number, since it is larger than the sum of its proper divisors (9480167596).

12638712404 is a wasteful number, since it uses less digits than its factorization.

12638712404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161902 (or 161900 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 12638712404 in words is "twelve billion, six hundred thirty-eight million, seven hundred twelve thousand, four hundred four".