12266897 has 2 divisors, whose sum is σ = 12266898. Its totient is φ = 12266896.

The previous prime is 12266893. The next prime is 12266899. The reversal of 12266897 is 79866221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 2835856 = 3071^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 12266897 - 2² = 12266893 is a prime.

Together with 12266899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12266893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133448 + 6133449.

It is an arithmetic number, because the mean of its divisors is an integer number (6133449).

Almost surely, 2^12266897 is an apocalyptic number.

It is an amenable number.

12266897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12266897 is an equidigital number, since it uses as much as digits as its factorization.

12266897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 12266897 is about 3502.4130253298. The cubic root of 12266897 is about 230.6277557611.

The spelling of 12266897 in words is "twelve million, two hundred sixty-six thousand, eight hundred ninety-seven".