12063209 has 2 divisors, whose sum is σ = 12063210. Its totient is φ = 12063208.

The previous prime is 12063203. The next prime is 12063223. The reversal of 12063209 is 90236021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10705984 + 1357225 = 3272^2 + 1165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12063209 is a prime.

It is a super-2 number, since 2×12063209² = 291042022755362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12063203) 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, 6031604 + 6031605.

It is an arithmetic number, because the mean of its divisors is an integer number (6031605).

Almost surely, 2^12063209 is an apocalyptic number.

It is an amenable number.

12063209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12063209 is an equidigital number, since it uses as much as digits as its factorization.

12063209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 12063209 is about 3473.2130657361. The cubic root of 12063209 is about 229.3441238970.

The spelling of 12063209 in words is "twelve million, sixty-three thousand, two hundred nine".