12365389 has 2 divisors, whose sum is σ = 12365390. Its totient is φ = 12365388.

The previous prime is 12365383. The next prime is 12365399. The reversal of 12365389 is 98356321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 6165289 = 2490^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 12365389 - 2⁷ = 12365261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12365383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6182694 + 6182695.

It is an arithmetic number, because the mean of its divisors is an integer number (6182695).

Almost surely, 2^12365389 is an apocalyptic number.

It is an amenable number.

12365389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12365389 is an equidigital number, since it uses as much as digits as its factorization.

12365389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 12365389 is about 3516.4455064738. The cubic root of 12365389 is about 231.2433546666.

The spelling of 12365389 in words is "twelve million, three hundred sixty-five thousand, three hundred eighty-nine".