12397949 has 8 divisors (see below), whose sum is σ = 12882240. Its totient is φ = 11922400.

The previous prime is 12397939. The next prime is 12397961. The reversal of 12397949 is 94979321.

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 12397949 - 2⁴ = 12397933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397909) 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, 782 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (1610280).

Almost surely, 2^12397949 is an apocalyptic number.

It is an amenable number.

12397949 is a deficient number, since it is larger than the sum of its proper divisors (484291).

12397949 is an equidigital number, since it uses as much as digits as its factorization.

12397949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371.

The product of its digits is 122472, while the sum is 44.

The square root of 12397949 is about 3521.0721378580. The cubic root of 12397949 is about 231.4461433991.

The spelling of 12397949 in words is "twelve million, three hundred ninety-seven thousand, nine hundred forty-nine".