12086729 has 2 divisors, whose sum is σ = 12086730. Its totient is φ = 12086728.

The previous prime is 12086699. The next prime is 12086747. The reversal of 12086729 is 92768021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11888704 + 198025 = 3448^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 12086729 - 2¹² = 12082633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12086749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043364 + 6043365.

It is an arithmetic number, because the mean of its divisors is an integer number (6043365).

Almost surely, 2^12086729 is an apocalyptic number.

It is an amenable number.

12086729 is a deficient number, since it is larger than the sum of its proper divisors (1).

12086729 is an equidigital number, since it uses as much as digits as its factorization.

12086729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12086729 is about 3476.5973307244. The cubic root of 12086729 is about 229.4930801672.

The spelling of 12086729 in words is "twelve million, eighty-six thousand, seven hundred twenty-nine".