12445597 has 2 divisors, whose sum is σ = 12445598. Its totient is φ = 12445596.

The previous prime is 12445583. The next prime is 12445603. The reversal of 12445597 is 79554421.

12445597 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 5861241 = 2566^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 12445597 - 2⁷ = 12445469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12445567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222798 + 6222799.

It is an arithmetic number, because the mean of its divisors is an integer number (6222799).

Almost surely, 2^12445597 is an apocalyptic number.

It is an amenable number.

12445597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12445597 is an equidigital number, since it uses as much as digits as its factorization.

12445597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 12445597 is about 3527.8317703655. The cubic root of 12445597 is about 231.7422635701.

The spelling of 12445597 in words is "twelve million, four hundred forty-five thousand, five hundred ninety-seven".