12396172 has 12 divisors (see below), whose sum is σ = 22636656. Its totient is φ = 5928560.

The previous prime is 12396161. The next prime is 12396173. The reversal of 12396172 is 27169321.

12396172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12396173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67279 + ... + 67462.

It is an arithmetic number, because the mean of its divisors is an integer number (1886388).

Almost surely, 2^12396172 is an apocalyptic number.

It is an amenable number.

12396172 is a deficient number, since it is larger than the sum of its proper divisors (10240484).

12396172 is a wasteful number, since it uses less digits than its factorization.

12396172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134768 (or 134766 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 12396172 is about 3520.8197909010. The cubic root of 12396172 is about 231.4350851332.

The spelling of 12396172 in words is "twelve million, three hundred ninety-six thousand, one hundred seventy-two".