13401317 has 2 divisors, whose sum is σ = 13401318. Its totient is φ = 13401316.

The previous prime is 13401313. The next prime is 13401329. The reversal of 13401317 is 71310431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13184161 + 217156 = 3631^2 + 466^2 .

It is an emirp because it is prime and its reverse (71310431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13401317 - 2² = 13401313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13401313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700658 + 6700659.

It is an arithmetic number, because the mean of its divisors is an integer number (6700659).

Almost surely, 2^13401317 is an apocalyptic number.

It is an amenable number.

13401317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13401317 is an equidigital number, since it uses as much as digits as its factorization.

13401317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13401317 is about 3660.7809276164. The cubic root of 13401317 is about 237.5285550154.

Adding to 13401317 its reverse (71310431), we get a palindrome (84711748).

The spelling of 13401317 in words is "thirteen million, four hundred one thousand, three hundred seventeen".