11971392 has 28 divisors (see below), whose sum is σ = 31674816. Its totient is φ = 3990400.

The previous prime is 11971373. The next prime is 11971397. The reversal of 11971392 is 29317911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11971397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30984 + ... + 31367.

Almost surely, 2^11971392 is an apocalyptic number.

11971392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11971392 is an abundant number, since it is smaller than the sum of its proper divisors (19703424).

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

11971392 is an equidigital number, since it uses as much as digits as its factorization.

11971392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62366 (or 62356 counting only the distinct ones).

The product of its digits is 3402, while the sum is 33.

The square root of 11971392 is about 3459.9699420660. The cubic root of 11971392 is about 228.7607704923.

It can be divided in two parts, 119713 and 92, that added together give a triangular number (119805 = T₄₈₉).

The spelling of 11971392 in words is "eleven million, nine hundred seventy-one thousand, three hundred ninety-two".