12199927 has 2 divisors, whose sum is σ = 12199928. Its totient is φ = 12199926.

The previous prime is 12199909. The next prime is 12199933. The reversal of 12199927 is 72999121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12199927 - 2¹¹ = 12197879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12199927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12199907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099963 + 6099964.

It is an arithmetic number, because the mean of its divisors is an integer number (6099964).

Almost surely, 2^12199927 is an apocalyptic number.

12199927 is a deficient number, since it is larger than the sum of its proper divisors (1).

12199927 is an equidigital number, since it uses as much as digits as its factorization.

12199927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 40.

The square root of 12199927 is about 3492.8393893794. The cubic root of 12199927 is about 230.2072926379.

The spelling of 12199927 in words is "twelve million, one hundred ninety-nine thousand, nine hundred twenty-seven".