13321314724 has 9 divisors (see below), whose sum is σ = 23312704737. Its totient is φ = 6660541944.

The previous prime is 13321314709. The next prime is 13321314737. The reversal of 13321314724 is 42741312331.

The square root of 13321314724 is 115418.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 839956324 + 12481358400 = 28982^2 + 111720^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 201982 + ... + 259690.

Almost surely, 2^13321314724 is an apocalyptic number.

13321314724 is the 115418-th square number.

It is an amenable number.

13321314724 is a deficient number, since it is larger than the sum of its proper divisors (9991390013).

13321314724 is an frugal number, since it uses more digits than its factorization.

13321314724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115422 (or 57711 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The spelling of 13321314724 in words is "thirteen billion, three hundred twenty-one million, three hundred fourteen thousand, seven hundred twenty-four".