13247697824 has 48 divisors (see below), whose sum is σ = 26266705920. Its totient is φ = 6576894720.

The previous prime is 13247697779. The next prime is 13247697829. The reversal of 13247697824 is 42879674231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13247697829) 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, 7079609 + ... + 7081479.

It is an arithmetic number, because the mean of its divisors is an integer number (547223040).

Almost surely, 2^13247697824 is an apocalyptic number.

It is an amenable number.

13247697824 is a deficient number, since it is larger than the sum of its proper divisors (13019008096).

13247697824 is a wasteful number, since it uses less digits than its factorization.

13247697824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333 (or 3325 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The spelling of 13247697824 in words is "thirteen billion, two hundred forty-seven million, six hundred ninety-seven thousand, eight hundred twenty-four".