13312032973 has 2 divisors, whose sum is σ = 13312032974. Its totient is φ = 13312032972.

The previous prime is 13312032931. The next prime is 13312033027. The reversal of 13312032973 is 37923021331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8128464964 + 5183568009 = 90158^2 + 71997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13312032973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13312032473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656016486 + 6656016487.

It is an arithmetic number, because the mean of its divisors is an integer number (6656016487).

Almost surely, 2^13312032973 is an apocalyptic number.

It is an amenable number.

13312032973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312032973 is an equidigital number, since it uses as much as digits as its factorization.

13312032973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 13312032973 in words is "thirteen billion, three hundred twelve million, thirty-two thousand, nine hundred seventy-three".