13247794799 has 8 divisors (see below), whose sum is σ = 14071897440. Its totient is φ = 12428672256.

The previous prime is 13247794757. The next prime is 13247794831. The reversal of 13247794799 is 99749774231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13247794799 - 2²⁸ = 12979359343 is a prime.

It is a super-2 number, since 2×13247794799² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247794999) 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, 1239539 + ... + 1250180.

It is an arithmetic number, because the mean of its divisors is an integer number (1758987180).

Almost surely, 2^13247794799 is an apocalyptic number.

13247794799 is a deficient number, since it is larger than the sum of its proper divisors (824102641).

13247794799 is a wasteful number, since it uses less digits than its factorization.

13247794799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490049.

The product of its digits is 24004512, while the sum is 62.

The spelling of 13247794799 in words is "thirteen billion, two hundred forty-seven million, seven hundred ninety-four thousand, seven hundred ninety-nine".