13468813 has 2 divisors, whose sum is σ = 13468814. Its totient is φ = 13468812.

The previous prime is 13468801. The next prime is 13468843. The reversal of 13468813 is 31886431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12981609 + 487204 = 3603^2 + 698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13468813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13468843) 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, 6734406 + 6734407.

It is an arithmetic number, because the mean of its divisors is an integer number (6734407).

Almost surely, 2^13468813 is an apocalyptic number.

It is an amenable number.

13468813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13468813 is an equidigital number, since it uses as much as digits as its factorization.

13468813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 13468813 is about 3669.9881471198. The cubic root of 13468813 is about 237.9266598401.

The spelling of 13468813 in words is "thirteen million, four hundred sixty-eight thousand, eight hundred thirteen".