13247749080 has 96 divisors (see below), whose sum is σ = 43785003600. Its totient is φ = 3472850688.

The previous prime is 13247749079. The next prime is 13247749111. The reversal of 13247749080 is 8094774231.

13247749080 is a `hidden beast` number, since 13 + 2 + 4 + 77 + 490 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290619 + ... + 333098.

Almost surely, 2^13247749080 is an apocalyptic number.

13247749080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13247749080 is an abundant number, since it is smaller than the sum of its proper divisors (30537254520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13247749080 is a wasteful number, since it uses less digits than its factorization.

13247749080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623793 (or 623786 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 13247749080 in words is "thirteen billion, two hundred forty-seven million, seven hundred forty-nine thousand, eighty".