12247199 has 2 divisors, whose sum is σ = 12247200. Its totient is φ = 12247198.

The previous prime is 12247181. The next prime is 12247211. The reversal of 12247199 is 99174221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12247199 - 2⁸ = 12246943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12247129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123599 + 6123600.

It is an arithmetic number, because the mean of its divisors is an integer number (6123600).

Almost surely, 2^12247199 is an apocalyptic number.

12247199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12247199 is an equidigital number, since it uses as much as digits as its factorization.

12247199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 12247199 is about 3499.5998342668. The cubic root of 12247199 is about 230.5042434241.

The spelling of 12247199 in words is "twelve million, two hundred forty-seven thousand, one hundred ninety-nine".