12315299 has 2 divisors, whose sum is σ = 12315300. Its totient is φ = 12315298.

The previous prime is 12315283. The next prime is 12315301. The reversal of 12315299 is 99251321.

12315299 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12315299 - 2⁴ = 12315283 is a prime.

Together with 12315301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12315209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157649 + 6157650.

It is an arithmetic number, because the mean of its divisors is an integer number (6157650).

Almost surely, 2^12315299 is an apocalyptic number.

12315299 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315299 is an equidigital number, since it uses as much as digits as its factorization.

12315299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 12315299 is about 3509.3160302258. The cubic root of 12315299 is about 230.9306901499.

The spelling of 12315299 in words is "twelve million, three hundred fifteen thousand, two hundred ninety-nine".