11912320 has 64 divisors (see below), whose sum is σ = 32558400. Its totient is φ = 4082688.

The previous prime is 11912317. The next prime is 11912353. The reversal of 11912320 is 2321911.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (508725).

Almost surely, 2^11912320 is an apocalyptic number.

11912320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11912320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16279200).

11912320 is an abundant number, since it is smaller than the sum of its proper divisors (20646080).

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

11912320 is an equidigital number, since it uses as much as digits as its factorization.

11912320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11912320 is about 3451.4228949811. The cubic root of 11912320 is about 228.3838818712.

The spelling of 11912320 in words is "eleven million, nine hundred twelve thousand, three hundred twenty".