12598361 has 2 divisors, whose sum is σ = 12598362. Its totient is φ = 12598360.

The previous prime is 12598331. The next prime is 12598363. The reversal of 12598361 is 16389521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 1038361 = 3400^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 12598361 - 2⁶ = 12598297 is a prime.

It is a Sophie Germain prime.

Together with 12598363, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12598363) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6299180 + 6299181.

It is an arithmetic number, because the mean of its divisors is an integer number (6299181).

Almost surely, 2^12598361 is an apocalyptic number.

It is an amenable number.

12598361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12598361 is an equidigital number, since it uses as much as digits as its factorization.

12598361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 12598361 is about 3549.4169943809. The cubic root of 12598361 is about 232.6865870289.

The spelling of 12598361 in words is "twelve million, five hundred ninety-eight thousand, three hundred sixty-one".