13007824328 has 32 divisors (see below), whose sum is σ = 25129069560. Its totient is φ = 6308574720.

The previous prime is 13007824309. The next prime is 13007824391. The reversal of 13007824328 is 82342870031.

It can be written as a sum of positive squares in 4 ways, for example, as 12373892644 + 633931684 = 111238^2 + 25178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13007824291 and 13007824300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57875 + ... + 171362.

Almost surely, 2^13007824328 is an apocalyptic number.

It is an amenable number.

13007824328 is a deficient number, since it is larger than the sum of its proper divisors (12121245232).

13007824328 is a wasteful number, since it uses less digits than its factorization.

13007824328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229457 (or 229453 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 13007824328 in words is "thirteen billion, seven million, eight hundred twenty-four thousand, three hundred twenty-eight".