12365729 has 2 divisors, whose sum is σ = 12365730. Its totient is φ = 12365728.

The previous prime is 12365711. The next prime is 12365741. The reversal of 12365729 is 92756321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6250000 + 6115729 = 2500^2 + 2473^2 .

It is a cyclic number.

It is not a de Polignac number, because 12365729 - 2⁸ = 12365473 is a prime.

It is a super-2 number, since 2×12365729² = 305822507402882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12365779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6182864 + 6182865.

It is an arithmetic number, because the mean of its divisors is an integer number (6182865).

Almost surely, 2^12365729 is an apocalyptic number.

It is an amenable number.

12365729 is a deficient number, since it is larger than the sum of its proper divisors (1).

12365729 is an equidigital number, since it uses as much as digits as its factorization.

12365729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 12365729 is about 3516.4938504141. The cubic root of 12365729 is about 231.2454740775.

The spelling of 12365729 in words is "twelve million, three hundred sixty-five thousand, seven hundred twenty-nine".