12799399 has 2 divisors, whose sum is σ = 12799400. Its totient is φ = 12799398.

The previous prime is 12799363. The next prime is 12799417. The reversal of 12799399 is 99399721.

12799399 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 12799399 - 2⁹ = 12798887 is a prime.

It is a super-2 number, since 2×12799399² = 327649229522402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12799349) 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, 6399699 + 6399700.

It is an arithmetic number, because the mean of its divisors is an integer number (6399700).

Almost surely, 2^12799399 is an apocalyptic number.

12799399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12799399 is an equidigital number, since it uses as much as digits as its factorization.

12799399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 49.

The square root of 12799399 is about 3577.6247707103. The cubic root of 12799399 is about 233.9177578859.

The spelling of 12799399 in words is "twelve million, seven hundred ninety-nine thousand, three hundred ninety-nine".