11688969 has 4 divisors (see below), whose sum is σ = 15585296. Its totient is φ = 7792644.

The previous prime is 11688961. The next prime is 11688983. The reversal of 11688969 is 96988611.

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.

It is not a de Polignac number, because 11688969 - 2³ = 11688961 is a prime.

It is a super-2 number, since 2×11688969² = 273263992565922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11688961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948159 + ... + 1948164.

It is an arithmetic number, because the mean of its divisors is an integer number (3896324).

Almost surely, 2^11688969 is an apocalyptic number.

It is an amenable number.

11688969 is a deficient number, since it is larger than the sum of its proper divisors (3896327).

11688969 is an equidigital number, since it uses as much as digits as its factorization.

11688969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896326.

The product of its digits is 186624, while the sum is 48.

The square root of 11688969 is about 3418.9134238819. The cubic root of 11688969 is about 226.9474996158.

The spelling of 11688969 in words is "eleven million, six hundred eighty-eight thousand, nine hundred sixty-nine".