12268709 has 2 divisors, whose sum is σ = 12268710. Its totient is φ = 12268708.

The previous prime is 12268703. The next prime is 12268721. The reversal of 12268709 is 90786221.

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., 12096484 + 172225 = 3478^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 12268709 - 2⁴ = 12268693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12268703) 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, 6134354 + 6134355.

It is an arithmetic number, because the mean of its divisors is an integer number (6134355).

Almost surely, 2^12268709 is an apocalyptic number.

It is an amenable number.

12268709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12268709 is an equidigital number, since it uses as much as digits as its factorization.

12268709 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 12268709 is about 3502.6716945783. The cubic root of 12268709 is about 230.6391108989.

The spelling of 12268709 in words is "twelve million, two hundred sixty-eight thousand, seven hundred nine".