13258813 has 2 divisors, whose sum is σ = 13258814. Its totient is φ = 13258812.

The previous prime is 13258811. The next prime is 13258837. The reversal of 13258813 is 31885231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13155129 + 103684 = 3627^2 + 322^2 .

It is a cyclic number.

It is not a de Polignac number, because 13258813 - 2¹ = 13258811 is a prime.

It is a super-2 number, since 2×13258813² = 351592244337938, which contains 22 as substring.

Together with 13258811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13258811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6629406 + 6629407.

It is an arithmetic number, because the mean of its divisors is an integer number (6629407).

Almost surely, 2^13258813 is an apocalyptic number.

It is an amenable number.

13258813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13258813 is an equidigital number, since it uses as much as digits as its factorization.

13258813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 13258813 is about 3641.2653020619. The cubic root of 13258813 is about 236.6836265921.

The spelling of 13258813 in words is "thirteen million, two hundred fifty-eight thousand, eight hundred thirteen".