12309133 has 2 divisors, whose sum is σ = 12309134. Its totient is φ = 12309132.

The previous prime is 12309119. The next prime is 12309179. The reversal of 12309133 is 33190321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7823209 + 4485924 = 2797^2 + 2118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12309133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12309103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154566 + 6154567.

It is an arithmetic number, because the mean of its divisors is an integer number (6154567).

Almost surely, 2^12309133 is an apocalyptic number.

It is an amenable number.

12309133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12309133 is an equidigital number, since it uses as much as digits as its factorization.

12309133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 12309133 is about 3508.4374014652. The cubic root of 12309133 is about 230.8921430727.

Adding to 12309133 its reverse (33190321), we get a palindrome (45499454).

The spelling of 12309133 in words is "twelve million, three hundred nine thousand, one hundred thirty-three".