13246729648 has 20 divisors (see below), whose sum is σ = 25892670888. Its totient is φ = 6564750080.

The previous prime is 13246729627. The next prime is 13246729667. The reversal of 13246729648 is 84692764231.

It is a junction number, because it is equal to n+sod(n) for n = 13246729595 and 13246729604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3661558 + ... + 3665173.

Almost surely, 2^13246729648 is an apocalyptic number.

It is an amenable number.

13246729648 is a deficient number, since it is larger than the sum of its proper divisors (12645941240).

13246729648 is a wasteful number, since it uses less digits than its factorization.

13246729648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326852 (or 7326846 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The spelling of 13246729648 in words is "thirteen billion, two hundred forty-six million, seven hundred twenty-nine thousand, six hundred forty-eight".