12390593 has 2 divisors, whose sum is σ = 12390594. Its totient is φ = 12390592.

The previous prime is 12390571. The next prime is 12390601. The reversal of 12390593 is 39509321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 2455489 = 3152^2 + 1567^2 .

It is an emirp because it is prime and its reverse (39509321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12390593 - 2⁶ = 12390529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12392593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6195296 + 6195297.

It is an arithmetic number, because the mean of its divisors is an integer number (6195297).

Almost surely, 2^12390593 is an apocalyptic number.

It is an amenable number.

12390593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12390593 is an equidigital number, since it uses as much as digits as its factorization.

12390593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 12390593 is about 3520.0274146660. The cubic root of 12390593 is about 231.4003601636.

The spelling of 12390593 in words is "twelve million, three hundred ninety thousand, five hundred ninety-three".