12394172 has 48 divisors (see below), whose sum is σ = 26019840. Its totient is φ = 5054400.

The previous prime is 12394169. The next prime is 12394199. The reversal of 12394172 is 27149321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94547 + ... + 94677.

It is an arithmetic number, because the mean of its divisors is an integer number (542080).

Almost surely, 2^12394172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12394172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13009920).

12394172 is an abundant number, since it is smaller than the sum of its proper divisors (13625668).

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

12394172 is a wasteful number, since it uses less digits than its factorization.

12394172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 280 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 12394172 is about 3520.5357546828. The cubic root of 12394172 is about 231.4226378749.

The spelling of 12394172 in words is "twelve million, three hundred ninety-four thousand, one hundred seventy-two".