12399593 has 2 divisors, whose sum is σ = 12399594. Its totient is φ = 12399592.

The previous prime is 12399577. The next prime is 12399637. The reversal of 12399593 is 39599321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 3655744 = 2957^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 12399593 - 2⁴ = 12399577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12399593.

It is not a weakly prime, because it can be changed into another prime (12399503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6199796 + 6199797.

It is an arithmetic number, because the mean of its divisors is an integer number (6199797).

Almost surely, 2^12399593 is an apocalyptic number.

It is an amenable number.

12399593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12399593 is an equidigital number, since it uses as much as digits as its factorization.

12399593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 41.

The square root of 12399593 is about 3521.3055817410. The cubic root of 12399593 is about 231.4563730654.

The spelling of 12399593 in words is "twelve million, three hundred ninety-nine thousand, five hundred ninety-three".