13247794923 has 16 divisors (see below), whose sum is σ = 19596124800. Its totient is φ = 7892881280.

The previous prime is 13247794883. The next prime is 13247794933. The reversal of 13247794923 is 32949774231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13247794923 - 2⁸ = 13247794667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13247794933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3400158 + ... + 3404051.

It is an arithmetic number, because the mean of its divisors is an integer number (1224757800).

Almost surely, 2^13247794923 is an apocalyptic number.

13247794923 is a deficient number, since it is larger than the sum of its proper divisors (6348329877).

13247794923 is a wasteful number, since it uses less digits than its factorization.

13247794923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804282.

The product of its digits is 2286144, while the sum is 51.

The spelling of 13247794923 in words is "thirteen billion, two hundred forty-seven million, seven hundred ninety-four thousand, nine hundred twenty-three".