13392012961 has 2 divisors, whose sum is σ = 13392012962. Its totient is φ = 13392012960.

The previous prime is 13392012943. The next prime is 13392013027. The reversal of 13392012961 is 16921029331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12705572961 + 686440000 = 112719^2 + 26200^2 .

It is a cyclic number.

It is not a de Polignac number, because 13392012961 - 2²⁷ = 13257795233 is a prime.

It is a super-2 number, since 2×13392012961² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13392012961.

It is not a weakly prime, because it can be changed into another prime (13392012911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6696006480 + 6696006481.

It is an arithmetic number, because the mean of its divisors is an integer number (6696006481).

Almost surely, 2^13392012961 is an apocalyptic number.

It is an amenable number.

13392012961 is a deficient number, since it is larger than the sum of its proper divisors (1).

13392012961 is an equidigital number, since it uses as much as digits as its factorization.

13392012961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 13392012961 in words is "thirteen billion, three hundred ninety-two million, twelve thousand, nine hundred sixty-one".