12197152 has 24 divisors (see below), whose sum is σ = 26196912. Its totient is φ = 5544000.

The previous prime is 12197123. The next prime is 12197189. The reversal of 12197152 is 25179121.

It is a super-2 number, since 2×12197152² = 297541033822208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12197152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16974 + ... + 17677.

It is an arithmetic number, because the mean of its divisors is an integer number (1091538).

Almost surely, 2^12197152 is an apocalyptic number.

It is an amenable number.

12197152 is an abundant number, since it is smaller than the sum of its proper divisors (13999760).

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

12197152 is a wasteful number, since it uses less digits than its factorization.

12197152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34672 (or 34664 counting only the distinct ones).

The product of its digits is 1260, while the sum is 28.

The square root of 12197152 is about 3492.4421255047. The cubic root of 12197152 is about 230.1898369684.

The spelling of 12197152 in words is "twelve million, one hundred ninety-seven thousand, one hundred fifty-two".