12663197 has 2 divisors, whose sum is σ = 12663198. Its totient is φ = 12663196.

The previous prime is 12663193. The next prime is 12663223. The reversal of 12663197 is 79136621.

12663197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10686361 + 1976836 = 3269^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 12663197 - 2² = 12663193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12663191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331598 + 6331599.

It is an arithmetic number, because the mean of its divisors is an integer number (6331599).

Almost surely, 2^12663197 is an apocalyptic number.

It is an amenable number.

12663197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663197 is an equidigital number, since it uses as much as digits as its factorization.

12663197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 12663197 is about 3558.5386045398. The cubic root of 12663197 is about 233.0850690496.

The spelling of 12663197 in words is "twelve million, six hundred sixty-three thousand, one hundred ninety-seven".