12397449 has 8 divisors (see below), whose sum is σ = 16567200. Its totient is φ = 8246336.

The previous prime is 12397417. The next prime is 12397453. The reversal of 12397449 is 94479321.

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

It is a cyclic number.

It is not a de Polignac number, because 12397449 - 2⁵ = 12397417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12397409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3024 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (2070900).

Almost surely, 2^12397449 is an apocalyptic number.

It is an amenable number.

12397449 is a deficient number, since it is larger than the sum of its proper divisors (4169751).

12397449 is an equidigital number, since it uses as much as digits as its factorization.

12397449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319.

The product of its digits is 54432, while the sum is 39.

The square root of 12397449 is about 3521.0011360407. The cubic root of 12397449 is about 231.4430320074.

The spelling of 12397449 in words is "twelve million, three hundred ninety-seven thousand, four hundred forty-nine".