1317319 has 2 divisors, whose sum is σ = 1317320. Its totient is φ = 1317318.

The previous prime is 1317317. The next prime is 1317359. The reversal of 1317319 is 9137131.

It is a weak prime.

It is an emirp because it is prime and its reverse (9137131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1317319 - 2¹ = 1317317 is a prime.

It is a super-2 number, since 2×1317319² = 3470658695522, which contains 22 as substring.

Together with 1317317, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1317293 and 1317302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658659 + 658660.

It is an arithmetic number, because the mean of its divisors is an integer number (658660).

2^1317319 is an apocalyptic number.

1317319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317319 is an equidigital number, since it uses as much as digits as its factorization.

1317319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567, while the sum is 25.

The square root of 1317319 is about 1147.7451807784. The cubic root of 1317319 is about 109.6218142151.

The spelling of 1317319 in words is "one million, three hundred seventeen thousand, three hundred nineteen".