12397308 has 48 divisors (see below), whose sum is σ = 36067584. Its totient is φ = 3219840.

The previous prime is 12397289. The next prime is 12397309. The reversal of 12397308 is 80379321.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5785 + ... + 7632.

It is an arithmetic number, because the mean of its divisors is an integer number (751408).

Almost surely, 2^12397308 is an apocalyptic number.

It is an amenable number.

12397308 is an abundant number, since it is smaller than the sum of its proper divisors (23670276).

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

12397308 is a wasteful number, since it uses less digits than its factorization.

12397308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442 (or 13440 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12397308 is about 3520.9811132694. The cubic root of 12397308 is about 231.4421545798.

The spelling of 12397308 in words is "twelve million, three hundred ninety-seven thousand, three hundred eight".