11688319 has 4 divisors (see below), whose sum is σ = 11732040. Its totient is φ = 11644600.

The previous prime is 11688311. The next prime is 11688323. The reversal of 11688319 is 91388611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91388611 = 227 ⋅402593.

It is a cyclic number.

It is not a de Polignac number, because 11688319 - 2³ = 11688311 is a prime.

It is a super-2 number, since 2×11688319² = 273233602091522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11688311) 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, 21457 + ... + 21994.

It is an arithmetic number, because the mean of its divisors is an integer number (2933010).

Almost surely, 2^11688319 is an apocalyptic number.

11688319 is a deficient number, since it is larger than the sum of its proper divisors (43721).

11688319 is an equidigital number, since it uses as much as digits as its factorization.

11688319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43720.

The product of its digits is 10368, while the sum is 37.

The square root of 11688319 is about 3418.8183631190. The cubic root of 11688319 is about 226.9432928402.

The spelling of 11688319 in words is "eleven million, six hundred eighty-eight thousand, three hundred nineteen".