12428597 has 2 divisors, whose sum is σ = 12428598. Its totient is φ = 12428596.

The previous prime is 12428569. The next prime is 12428599. The reversal of 12428597 is 79582421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 2531281 = 3146^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 12428597 - 2²² = 8234293 is a prime.

Together with 12428599, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12428597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12428599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214298 + 6214299.

It is an arithmetic number, because the mean of its divisors is an integer number (6214299).

Almost surely, 2^12428597 is an apocalyptic number.

It is an amenable number.

12428597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12428597 is an equidigital number, since it uses as much as digits as its factorization.

12428597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 12428597 is about 3525.4215350792. The cubic root of 12428597 is about 231.6366997681.

The spelling of 12428597 in words is "twelve million, four hundred twenty-eight thousand, five hundred ninety-seven".