13311317 has 2 divisors, whose sum is σ = 13311318. Its totient is φ = 13311316.

The previous prime is 13311313. The next prime is 13311349. The reversal of 13311317 is 71311331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12453841 + 857476 = 3529^2 + 926^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311317 - 2² = 13311313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655658 + 6655659.

It is an arithmetic number, because the mean of its divisors is an integer number (6655659).

Almost surely, 2^13311317 is an apocalyptic number.

It is an amenable number.

13311317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311317 is an equidigital number, since it uses as much as digits as its factorization.

13311317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189, while the sum is 20.

The square root of 13311317 is about 3648.4677605811. The cubic root of 13311317 is about 236.9956321484.

Adding to 13311317 its reverse (71311331), we get a palindrome (84622648).

The spelling of 13311317 in words is "thirteen million, three hundred eleven thousand, three hundred seventeen".