12397799 has 8 divisors (see below), whose sum is σ = 12840960. Its totient is φ = 11957400.

The previous prime is 12397787. The next prime is 12397817. The reversal of 12397799 is 99779321.

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 12397799 - 2¹⁶ = 12332263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397739) 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, 13154 + ... + 14064.

It is an arithmetic number, because the mean of its divisors is an integer number (1605120).

Almost surely, 2^12397799 is an apocalyptic number.

12397799 is a deficient number, since it is larger than the sum of its proper divisors (443161).

12397799 is an equidigital number, since it uses as much as digits as its factorization.

12397799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381.

The product of its digits is 214326, while the sum is 47.

The square root of 12397799 is about 3521.0508374632. The cubic root of 12397799 is about 231.4452099903.

The spelling of 12397799 in words is "twelve million, three hundred ninety-seven thousand, seven hundred ninety-nine".