13007638787 has 12 divisors (see below), whose sum is σ = 15397473840. Its totient is φ = 10915499760.

The previous prime is 13007638771. The next prime is 13007638789. The reversal of 13007638787 is 78783670031.

It is not a de Polignac number, because 13007638787 - 2⁴ = 13007638771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13007638789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4133087 + ... + 4136232.

It is an arithmetic number, because the mean of its divisors is an integer number (1283122820).

Almost surely, 2^13007638787 is an apocalyptic number.

13007638787 is a deficient number, since it is larger than the sum of its proper divisors (2389835053).

13007638787 is a wasteful number, since it uses less digits than its factorization.

13007638787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269354 (or 8269343 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 13007638787 in words is "thirteen billion, seven million, six hundred thirty-eight thousand, seven hundred eighty-seven".