15996317 has 8 divisors (see below), whose sum is σ = 16313472. Its totient is φ = 15681600.

The previous prime is 15996311. The next prime is 15996329. The reversal of 15996317 is 71369951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15996317 - 2⁸ = 15996061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15996311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17717 + ... + 18597.

It is an arithmetic number, because the mean of its divisors is an integer number (2039184).

Almost surely, 2^15996317 is an apocalyptic number.

It is an amenable number.

15996317 is a deficient number, since it is larger than the sum of its proper divisors (317155).

15996317 is an equidigital number, since it uses as much as digits as its factorization.

15996317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its digits is 51030, while the sum is 41.

The square root of 15996317 is about 3999.5395985038. The cubic root of 15996317 is about 251.9648739568.

The spelling of 15996317 in words is "fifteen million, nine hundred ninety-six thousand, three hundred seventeen".