1317317 has 2 divisors, whose sum is σ = 1317318. Its totient is φ = 1317316.

The previous prime is 1317307. The next prime is 1317319. The reversal of 1317317 is 7137131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863041 + 454276 = 929^2 + 674^2 .

It is an emirp because it is prime and its reverse (7137131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1317317 - 2⁴ = 1317301 is a prime.

Together with 1317319, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1317292 and 1317301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658658 + 658659.

It is an arithmetic number, because the mean of its divisors is an integer number (658659).

2^1317317 is an apocalyptic number.

It is an amenable number.

1317317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317317 is an equidigital number, since it uses as much as digits as its factorization.

1317317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441, while the sum is 23.

The square root of 1317317 is about 1147.7443095045. The cubic root of 1317317 is about 109.6217587379.

The spelling of 1317317 in words is "one million, three hundred seventeen thousand, three hundred seventeen".