13047263746 has 12 divisors (see below), whose sum is σ = 21511811286. Its totient is φ = 5930574320.

The previous prime is 13047263737. The next prime is 13047263759. The reversal of 13047263746 is 64736274031.

It can be written as a sum of positive squares in only one way, i.e., 12774650625 + 272613121 = 113025^2 + 16511^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26956915 + ... + 26957398.

Almost surely, 2^13047263746 is an apocalyptic number.

13047263746 is a deficient number, since it is larger than the sum of its proper divisors (8464547540).

13047263746 is a wasteful number, since it uses less digits than its factorization.

13047263746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53914337 (or 53914326 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 13047263746 in words is "thirteen billion, forty-seven million, two hundred sixty-three thousand, seven hundred forty-six".