11657717 has 2 divisors, whose sum is σ = 11657718. Its totient is φ = 11657716.

The previous prime is 11657713. The next prime is 11657743. The reversal of 11657717 is 71775611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11464996 + 192721 = 3386^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 11657717 - 2² = 11657713 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828858 + 5828859.

It is an arithmetic number, because the mean of its divisors is an integer number (5828859).

Almost surely, 2^11657717 is an apocalyptic number.

It is an amenable number.

11657717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657717 is an equidigital number, since it uses as much as digits as its factorization.

11657717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10290, while the sum is 35.

The square root of 11657717 is about 3414.3399069220. The cubic root of 11657717 is about 226.7450610708.

The spelling of 11657717 in words is "eleven million, six hundred fifty-seven thousand, seven hundred seventeen".