12405299 has 2 divisors, whose sum is σ = 12405300. Its totient is φ = 12405298.

The previous prime is 12405277. The next prime is 12405313. The reversal of 12405299 is 99250421.

It is a strong prime.

It is an emirp because it is prime and its reverse (99250421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12405299 - 2¹⁶ = 12339763 is a prime.

It is not a weakly prime, because it can be changed into another prime (12405209) 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, 6202649 + 6202650.

It is an arithmetic number, because the mean of its divisors is an integer number (6202650).

Almost surely, 2^12405299 is an apocalyptic number.

12405299 is a deficient number, since it is larger than the sum of its proper divisors (1).

12405299 is an equidigital number, since it uses as much as digits as its factorization.

12405299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 12405299 is about 3522.1156994057. The cubic root of 12405299 is about 231.4918712072.

The spelling of 12405299 in words is "twelve million, four hundred five thousand, two hundred ninety-nine".