12312799 has 2 divisors, whose sum is σ = 12312800. Its totient is φ = 12312798.

The previous prime is 12312787. The next prime is 12312803. The reversal of 12312799 is 99721321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312799 - 2⁵ = 12312767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156399 + 6156400.

It is an arithmetic number, because the mean of its divisors is an integer number (6156400).

Almost surely, 2^12312799 is an apocalyptic number.

12312799 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312799 is an equidigital number, since it uses as much as digits as its factorization.

12312799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 34.

The square root of 12312799 is about 3508.9598173818. The cubic root of 12312799 is about 230.9150628179.

The spelling of 12312799 in words is "twelve million, three hundred twelve thousand, seven hundred ninety-nine".