13168613 has 2 divisors, whose sum is σ = 13168614. Its totient is φ = 13168612.

The previous prime is 13168579. The next prime is 13168637. The reversal of 13168613 is 31686131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13118884 + 49729 = 3622^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 13168613 - 2⁶ = 13168549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13168643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6584306 + 6584307.

It is an arithmetic number, because the mean of its divisors is an integer number (6584307).

Almost surely, 2^13168613 is an apocalyptic number.

It is an amenable number.

13168613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13168613 is an equidigital number, since it uses as much as digits as its factorization.

13168613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 13168613 is about 3628.8583604214. The cubic root of 13168613 is about 236.1456835352.

The spelling of 13168613 in words is "thirteen million, one hundred sixty-eight thousand, six hundred thirteen".