12199697 has 2 divisors, whose sum is σ = 12199698. Its totient is φ = 12199696.

The previous prime is 12199669. The next prime is 12199721. The reversal of 12199697 is 79699121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10214416 + 1985281 = 3196^2 + 1409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12199697 is a prime.

It is not a weakly prime, because it can be changed into another prime (12199097) 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, 6099848 + 6099849.

It is an arithmetic number, because the mean of its divisors is an integer number (6099849).

Almost surely, 2^12199697 is an apocalyptic number.

It is an amenable number.

12199697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12199697 is an equidigital number, since it uses as much as digits as its factorization.

12199697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 44.

The square root of 12199697 is about 3492.8064647215. The cubic root of 12199697 is about 230.2058459623.

The spelling of 12199697 in words is "twelve million, one hundred ninety-nine thousand, six hundred ninety-seven".