13231373 has 2 divisors, whose sum is σ = 13231374. Its totient is φ = 13231372.

The previous prime is 13231369. The next prime is 13231411. The reversal of 13231373 is 37313231.

It is a happy number.

13231373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9223369 + 4008004 = 3037^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231373 - 2² = 13231369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615686 + 6615687.

It is an arithmetic number, because the mean of its divisors is an integer number (6615687).

Almost surely, 2^13231373 is an apocalyptic number.

It is an amenable number.

13231373 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231373 is an equidigital number, since it uses as much as digits as its factorization.

13231373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 23.

The square root of 13231373 is about 3637.4954295504. The cubic root of 13231373 is about 236.5202362945.

The spelling of 13231373 in words is "thirteen million, two hundred thirty-one thousand, three hundred seventy-three".