12392997 has 8 divisors (see below), whose sum is σ = 17393760. Its totient is φ = 7827120.

The previous prime is 12392981. The next prime is 12393001. The reversal of 12392997 is 79929321.

It is a happy number.

12392997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12392997 - 2⁴ = 12392981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12392927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108654 + ... + 108767.

It is an arithmetic number, because the mean of its divisors is an integer number (2174220).

Almost surely, 2^12392997 is an apocalyptic number.

It is an amenable number.

12392997 is a deficient number, since it is larger than the sum of its proper divisors (5000763).

12392997 is a wasteful number, since it uses less digits than its factorization.

12392997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217443.

The product of its digits is 61236, while the sum is 42.

The square root of 12392997 is about 3520.3688727177. The cubic root of 12392997 is about 231.4153244862.

The spelling of 12392997 in words is "twelve million, three hundred ninety-two thousand, nine hundred ninety-seven".