12393499 has 2 divisors, whose sum is σ = 12393500. Its totient is φ = 12393498.

The previous prime is 12393487. The next prime is 12393523. The reversal of 12393499 is 99439321.

It is a weak prime.

It is an emirp because it is prime and its reverse (99439321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12393499 - 2⁷ = 12393371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12393449) 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 as a sum of consecutive naturals, namely, 6196749 + 6196750.

It is an arithmetic number, because the mean of its divisors is an integer number (6196750).

Almost surely, 2^12393499 is an apocalyptic number.

12393499 is a deficient number, since it is larger than the sum of its proper divisors (1).

12393499 is an equidigital number, since it uses as much as digits as its factorization.

12393499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 40.

The square root of 12393499 is about 3520.4401713422. The cubic root of 12393499 is about 231.4184490714.

The spelling of 12393499 in words is "twelve million, three hundred ninety-three thousand, four hundred ninety-nine".