13064813 has 2 divisors, whose sum is σ = 13064814. Its totient is φ = 13064812.

The previous prime is 13064803. The next prime is 13064827. The reversal of 13064813 is 31846031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10745284 + 2319529 = 3278^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 13064813 - 2²² = 8870509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13064803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6532406 + 6532407.

It is an arithmetic number, because the mean of its divisors is an integer number (6532407).

Almost surely, 2^13064813 is an apocalyptic number.

It is an amenable number.

13064813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13064813 is an equidigital number, since it uses as much as digits as its factorization.

13064813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13064813 is about 3614.5280466473. The cubic root of 13064813 is about 235.5235828488.

The spelling of 13064813 in words is "thirteen million, sixty-four thousand, eight hundred thirteen".