1317793 has 2 divisors, whose sum is σ = 1317794. Its totient is φ = 1317792.

The previous prime is 1317787. The next prime is 1317817. The reversal of 1317793 is 3977131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 166464 = 1073^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317793 - 2⁵ = 1317761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1317703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658896 + 658897.

It is an arithmetic number, because the mean of its divisors is an integer number (658897).

2^1317793 is an apocalyptic number.

It is an amenable number.

1317793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317793 is an equidigital number, since it uses as much as digits as its factorization.

1317793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 31.

The square root of 1317793 is about 1147.9516540343. The cubic root of 1317793 is about 109.6349607420.

The spelling of 1317793 in words is "one million, three hundred seventeen thousand, seven hundred ninety-three".