11992320 has 144 divisors (see below), whose sum is σ = 42678720. Its totient is φ = 3188736.

The previous prime is 11992297. The next prime is 11992339. The reversal of 11992320 is 2329911.

11992320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34387 + ... + 34733.

It is an arithmetic number, because the mean of its divisors is an integer number (296380).

Almost surely, 2^11992320 is an apocalyptic number.

11992320 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 11992320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21339360).

11992320 is an abundant number, since it is smaller than the sum of its proper divisors (30686400).

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

11992320 is an equidigital number, since it uses as much as digits as its factorization.

11992320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11992320 is about 3462.9929252021. The cubic root of 11992320 is about 228.8939969465.

The spelling of 11992320 in words is "eleven million, nine hundred ninety-two thousand, three hundred twenty".