11517617 has 2 divisors, whose sum is σ = 11517618. Its totient is φ = 11517616.

The previous prime is 11517607. The next prime is 11517659. The reversal of 11517617 is 71671511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6130576 + 5387041 = 2476^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 11517617 - 2⁴ = 11517601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11517617.

It is not a weakly prime, because it can be changed into another prime (11517607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758808 + 5758809.

It is an arithmetic number, because the mean of its divisors is an integer number (5758809).

Almost surely, 2^11517617 is an apocalyptic number.

It is an amenable number.

11517617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11517617 is an equidigital number, since it uses as much as digits as its factorization.

11517617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1470, while the sum is 29.

The square root of 11517617 is about 3393.7614824852. The cubic root of 11517617 is about 225.8330730183.

The spelling of 11517617 in words is "eleven million, five hundred seventeen thousand, six hundred seventeen".