13245931 has 2 divisors, whose sum is σ = 13245932. Its totient is φ = 13245930.

The previous prime is 13245917. The next prime is 13245937. The reversal of 13245931 is 13954231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13245931 - 2⁵ = 13245899 is a prime.

It is a super-2 number, since 2×13245931² = 350909376113522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13245931.

It is not a weakly prime, because it can be changed into another prime (13245937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622965 + 6622966.

It is an arithmetic number, because the mean of its divisors is an integer number (6622966).

Almost surely, 2^13245931 is an apocalyptic number.

13245931 is a deficient number, since it is larger than the sum of its proper divisors (1).

13245931 is an equidigital number, since it uses as much as digits as its factorization.

13245931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 13245931 is about 3639.4959815887. The cubic root of 13245931 is about 236.6069493801.

The spelling of 13245931 in words is "thirteen million, two hundred forty-five thousand, nine hundred thirty-one".