12197572 has 12 divisors (see below), whose sum is σ = 21546000. Its totient is φ = 6041576.

The previous prime is 12197557. The next prime is 12197593. The reversal of 12197572 is 27579121.

12197572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13822 + ... + 14677.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 2^12197572 is an apocalyptic number.

It is an amenable number.

12197572 is a deficient number, since it is larger than the sum of its proper divisors (9348428).

12197572 is a wasteful number, since it uses less digits than its factorization.

12197572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28610 (or 28608 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The square root of 12197572 is about 3492.5022548311. The cubic root of 12197572 is about 230.1924790776.

It can be divided in two parts, 12197 and 572, that added together give a square (12769 = 113²).

The spelling of 12197572 in words is "twelve million, one hundred ninety-seven thousand, five hundred seventy-two".