11931392 has 72 divisors (see below), whose sum is σ = 27471360. Its totient is φ = 5114880.

The previous prime is 11931371. The next prime is 11931397. The reversal of 11931392 is 29313911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11931397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53393 + ... + 53615.

Almost surely, 2^11931392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11931392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13735680).

11931392 is an abundant number, since it is smaller than the sum of its proper divisors (15539968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11931392 is a wasteful number, since it uses less digits than its factorization.

11931392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 255 counting only the distinct ones).

The product of its digits is 1458, while the sum is 29.

The square root of 11931392 is about 3454.1847084370. The cubic root of 11931392 is about 228.5057001484.

The spelling of 11931392 in words is "eleven million, nine hundred thirty-one thousand, three hundred ninety-two".