12397120 has 56 divisors (see below), whose sum is σ = 31089600. Its totient is φ = 4695552.

The previous prime is 12397111. The next prime is 12397157. The reversal of 12397120 is 2179321.

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, 5061 + ... + 7099.

Almost surely, 2^12397120 is an apocalyptic number.

12397120 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 12397120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15544800).

12397120 is an abundant number, since it is smaller than the sum of its proper divisors (18692480).

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

12397120 is a wasteful number, since it uses less digits than its factorization.

12397120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12397120 is about 3520.9544160639. The cubic root of 12397120 is about 231.4409846660.

The spelling of 12397120 in words is "twelve million, three hundred ninety-seven thousand, one hundred twenty".