11931369 has 8 divisors (see below), whose sum is σ = 16296672. Its totient is φ = 7760160.

The previous prime is 11931341. The next prime is 11931371. The reversal of 11931369 is 96313911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11931369 - 2⁸ = 11931113 is a prime.

It is a super-2 number, since 2×11931369² = 284715132428322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11931329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48379 + ... + 48624.

It is an arithmetic number, because the mean of its divisors is an integer number (2037084).

Almost surely, 2^11931369 is an apocalyptic number.

It is an amenable number.

11931369 is a deficient number, since it is larger than the sum of its proper divisors (4365303).

11931369 is an equidigital number, since it uses as much as digits as its factorization.

11931369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97047.

The product of its digits is 4374, while the sum is 33.

The square root of 11931369 is about 3454.1813791404. The cubic root of 11931369 is about 228.5055533191.

The spelling of 11931369 in words is "eleven million, nine hundred thirty-one thousand, three hundred sixty-nine".