12393569 has 2 divisors, whose sum is σ = 12393570. Its totient is φ = 12393568.

The previous prime is 12393559. The next prime is 12393581. The reversal of 12393569 is 96539321.

12393569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 833569 = 3400^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 12393569 - 2⁸ = 12393313 is a prime.

It is a super-2 number, since 2×12393569² = 307201105115522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12393559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196784 + 6196785.

It is an arithmetic number, because the mean of its divisors is an integer number (6196785).

Almost surely, 2^12393569 is an apocalyptic number.

It is an amenable number.

12393569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12393569 is an equidigital number, since it uses as much as digits as its factorization.

12393569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 38.

The square root of 12393569 is about 3520.4501132668. The cubic root of 12393569 is about 231.4188847638.

The spelling of 12393569 in words is "twelve million, three hundred ninety-three thousand, five hundred sixty-nine".