12330209 has 2 divisors, whose sum is σ = 12330210. Its totient is φ = 12330208.

The previous prime is 12330203. The next prime is 12330247. The reversal of 12330209 is 90203321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8720209 + 3610000 = 2953^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 12330209 - 2⁸ = 12329953 is a prime.

It is not a weakly prime, because it can be changed into another prime (12330203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165104 + 6165105.

It is an arithmetic number, because the mean of its divisors is an integer number (6165105).

Almost surely, 2^12330209 is an apocalyptic number.

It is an amenable number.

12330209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330209 is an equidigital number, since it uses as much as digits as its factorization.

12330209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 12330209 is about 3511.4397332149. The cubic root of 12330209 is about 231.0238476657.

The spelling of 12330209 in words is "twelve million, three hundred thirty thousand, two hundred nine".