17996117 has 2 divisors, whose sum is σ = 17996118. Its totient is φ = 17996116.

The previous prime is 17996101. The next prime is 17996129. The reversal of 17996117 is 71169971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13476241 + 4519876 = 3671^2 + 2126^2 .

It is an emirp because it is prime and its reverse (71169971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17996117 - 2⁴ = 17996101 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 (17996177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8998058 + 8998059.

It is an arithmetic number, because the mean of its divisors is an integer number (8998059).

Almost surely, 2^17996117 is an apocalyptic number.

It is an amenable number.

17996117 is a deficient number, since it is larger than the sum of its proper divisors (1).

17996117 is an equidigital number, since it uses as much as digits as its factorization.

17996117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 41.

The square root of 17996117 is about 4242.1830464986. The cubic root of 17996117 is about 262.0552929937.

The spelling of 17996117 in words is "seventeen million, nine hundred ninety-six thousand, one hundred seventeen".