12038320 has 120 divisors (see below), whose sum is σ = 33841584. Its totient is φ = 3967488.

The previous prime is 12038317. The next prime is 12038339. The reversal of 12038320 is 2383021.

It is a happy number.

12038320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12038320² = 289842296844800, which contains 22 as substring.

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, 144999 + ... + 145081.

Almost surely, 2^12038320 is an apocalyptic number.

12038320 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 12038320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16920792).

12038320 is an abundant number, since it is smaller than the sum of its proper divisors (21803264).

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

12038320 is a wasteful number, since it uses less digits than its factorization.

12038320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12038320 is about 3469.6282221587. The cubic root of 12038320 is about 229.1862865112.

The spelling of 12038320 in words is "twelve million, thirty-eight thousand, three hundred twenty".