12394197 has 6 divisors (see below), whose sum is σ = 17902742. Its totient is φ = 8262792.

The previous prime is 12394169. The next prime is 12394199. The reversal of 12394197 is 79149321.

12394197 is a `hidden beast` number, since 1 + 239 + 419 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9979281 + 2414916 = 3159^2 + 1554^2 .

It is not a de Polignac number, because 12394197 - 2⁶ = 12394133 is a prime.

It is a super-2 number, since 2×12394197² = 307232238549618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12394199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 688558 + ... + 688575.

Almost surely, 2^12394197 is an apocalyptic number.

It is an amenable number.

12394197 is a deficient number, since it is larger than the sum of its proper divisors (5508545).

12394197 is a wasteful number, since it uses less digits than its factorization.

12394197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377139 (or 1377136 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 12394197 is about 3520.5393052770. The cubic root of 12394197 is about 231.4227934739.

The spelling of 12394197 in words is "twelve million, three hundred ninety-four thousand, one hundred ninety-seven".