12999179 has 2 divisors, whose sum is σ = 12999180. Its totient is φ = 12999178.

The previous prime is 12999157. The next prime is 12999187. The reversal of 12999179 is 97199921.

It is a happy number.

12999179 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 12999179 - 2¹² = 12995083 is a prime.

It is not a weakly prime, because it can be changed into another prime (12999149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6499589 + 6499590.

It is an arithmetic number, because the mean of its divisors is an integer number (6499590).

Almost surely, 2^12999179 is an apocalyptic number.

12999179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12999179 is an equidigital number, since it uses as much as digits as its factorization.

12999179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 47.

The square root of 12999179 is about 3605.4374214511. The cubic root of 12999179 is about 235.1285188069.

The spelling of 12999179 in words is "twelve million, nine hundred ninety-nine thousand, one hundred seventy-nine".