12039120 has 120 divisors (see below), whose sum is σ = 42247296. Its totient is φ = 3066624.

The previous prime is 12039113. The next prime is 12039173. The reversal of 12039120 is 2193021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12039093 and 12039102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16197 + ... + 16923.

Almost surely, 2^12039120 is an apocalyptic number.

12039120 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 12039120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21123648).

12039120 is an abundant number, since it is smaller than the sum of its proper divisors (30208176).

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

12039120 is a wasteful number, since it uses less digits than its factorization.

12039120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12039120 is about 3469.7435063705. The cubic root of 12039120 is about 229.1913632154.

The spelling of 12039120 in words is "twelve million, thirty-nine thousand, one hundred twenty".