13608317 has 2 divisors, whose sum is σ = 13608318. Its totient is φ = 13608316.

The previous prime is 13608311. The next prime is 13608359. The reversal of 13608317 is 71380631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7722841 + 5885476 = 2779^2 + 2426^2 .

It is a cyclic number.

It is not a de Polignac number, because 13608317 - 2⁸ = 13608061 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13608317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13608311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6804158 + 6804159.

It is an arithmetic number, because the mean of its divisors is an integer number (6804159).

Almost surely, 2^13608317 is an apocalyptic number.

It is an amenable number.

13608317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13608317 is an equidigital number, since it uses as much as digits as its factorization.

13608317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13608317 is about 3688.9452422068. The cubic root of 13608317 is about 238.7452863117.

Adding to 13608317 its reverse (71380631), we get a palindrome (84988948).

The spelling of 13608317 in words is "thirteen million, six hundred eight thousand, three hundred seventeen".