12951199 has 2 divisors, whose sum is σ = 12951200. Its totient is φ = 12951198.

The previous prime is 12951193. The next prime is 12951209. The reversal of 12951199 is 99115921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12951199 - 2⁹ = 12950687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12951193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6475599 + 6475600.

It is an arithmetic number, because the mean of its divisors is an integer number (6475600).

Almost surely, 2^12951199 is an apocalyptic number.

12951199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12951199 is an equidigital number, since it uses as much as digits as its factorization.

12951199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 37.

The square root of 12951199 is about 3598.7774312952. Note that the first 3 decimals coincide. The cubic root of 12951199 is about 234.8388755190.

The spelling of 12951199 in words is "twelve million, nine hundred fifty-one thousand, one hundred ninety-nine".