12320897 has 2 divisors, whose sum is σ = 12320898. Its totient is φ = 12320896.

The previous prime is 12320881. The next prime is 12320921. The reversal of 12320897 is 79802321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 923521 = 3376^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320897 - 2⁴ = 12320881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12320827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160448 + 6160449.

It is an arithmetic number, because the mean of its divisors is an integer number (6160449).

Almost surely, 2^12320897 is an apocalyptic number.

It is an amenable number.

12320897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320897 is an equidigital number, since it uses as much as digits as its factorization.

12320897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12320897 is about 3510.1135309275. The cubic root of 12320897 is about 230.9656752032.

The spelling of 12320897 in words is "twelve million, three hundred twenty thousand, eight hundred ninety-seven".