11799 has 16 divisors (see below), whose sum is σ = 19200. Its totient is φ = 7128.

The previous prime is 11789. The next prime is 11801. The reversal of 11799 is 99711.

It is not a de Polignac number, because 11799 - 2⁴ = 11783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502 + ... + 524.

It is an arithmetic number, because the mean of its divisors is an integer number (1200).

2¹¹⁷⁹⁹ is an apocalyptic number.

11799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11799 is the 69-th heptagonal number.

11799 is a deficient number, since it is larger than the sum of its proper divisors (7401).

11799 is a wasteful number, since it uses less digits than its factorization.

11799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 45 counting only the distinct ones).

The product of its digits is 567, while the sum is 27.

The square root of 11799 is about 108.6232019414. The cubic root of 11799 is about 22.7657380133.

It can be divided in two parts, 117 and 99, that added together give a cube (216 = 6³).

The spelling of 11799 in words is "eleven thousand, seven hundred ninety-nine".