11797 has 4 divisors (see below), whose sum is σ = 12096. Its totient is φ = 11500.

The previous prime is 11789. The next prime is 11801. The reversal of 11797 is 79711.

11797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79711 = 79 ⋅1009.

It is a cyclic number.

It is not a de Polignac number, because 11797 - 2³ = 11789 is a prime.

It is a Duffinian number.

11797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 172.

It is an arithmetic number, because the mean of its divisors is an integer number (3024).

2¹¹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

11797 is a deficient number, since it is larger than the sum of its proper divisors (299).

11797 is an equidigital number, since it uses as much as digits as its factorization.

11797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its digits is 441, while the sum is 25.

The square root of 11797 is about 108.6139954150. The cubic root of 11797 is about 22.7644516318.

It can be divided in two parts, 11 and 797, that added together give a palindrome (808).

The spelling of 11797 in words is "eleven thousand, seven hundred ninety-seven".