13317390801 has 81 divisors (see below), whose sum is σ = 22980956817. Its totient is φ = 7422592320.

The previous prime is 13317390799. The next prime is 13317390811. The reversal of 13317390801 is 10809371331.

The square root of 13317390801 is 115401.

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

It can be written as a sum of positive squares in 4 ways, for example, as 8385980625 + 4931410176 = 91575^2 + 70224^2 .

It is not a de Polignac number, because 13317390801 - 2¹ = 13317390799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13317390811) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 49506895 + ... + 49507163.

Almost surely, 2^13317390801 is an apocalyptic number.

13317390801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13317390801 is the 115401-st square number.

13317390801 is the 57701-st centered octagonal number.

It is an amenable number.

13317390801 is a deficient number, since it is larger than the sum of its proper divisors (9663566016).

13317390801 is a wasteful number, since it uses less digits than its factorization.

13317390801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

Multiplying 13317390801 by its sum of digits (36), we get a square (479426068836 = 692406²).

The spelling of 13317390801 in words is "thirteen billion, three hundred seventeen million, three hundred ninety thousand, eight hundred one".