1317013 has 2 divisors, whose sum is σ = 1317014. Its totient is φ = 1317012.

The previous prime is 1316999. The next prime is 1317031. The reversal of 1317013 is 3107131.

It is a happy number.

Together with next prime (1317031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935089 + 381924 = 967^2 + 618^2 .

It is an emirp because it is prime and its reverse (3107131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658506 + 658507.

It is an arithmetic number, because the mean of its divisors is an integer number (658507).

2^1317013 is an apocalyptic number.

It is an amenable number.

1317013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317013 is an equidigital number, since it uses as much as digits as its factorization.

1317013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1317013 is about 1147.6118681854. The cubic root of 1317013 is about 109.6133255416.

The spelling of 1317013 in words is "one million, three hundred seventeen thousand, thirteen".