15799 has 8 divisors (see below), whose sum is σ = 18848. Its totient is φ = 12960.

The previous prime is 15797. The next prime is 15803. The reversal of 15799 is 99751.

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 15799 - 2¹ = 15797 is a prime.

It is a Duffinian number.

Its product of digits (2835) is a multiple of the sum of its prime divisors (105).

It is a plaindrome in base 8 and base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 15799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15791) 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 in 7 ways as a sum of consecutive naturals, for example, 229 + ... + 289.

It is an arithmetic number, because the mean of its divisors is an integer number (2356).

2¹⁵⁷⁹⁹ is an apocalyptic number.

15799 is a deficient number, since it is larger than the sum of its proper divisors (3049).

15799 is an equidigital number, since it uses as much as digits as its factorization.

15799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105.

The product of its digits is 2835, while the sum is 31.

The square root of 15799 is about 125.6940730504. The cubic root of 15799 is about 25.0924576418.

It can be divided in two parts, 157 and 99, that added together give a 8-th power (256 = 2⁸).

The spelling of 15799 in words is "fifteen thousand, seven hundred ninety-nine".