12133139 has 2 divisors, whose sum is σ = 12133140. Its totient is φ = 12133138.

The previous prime is 12133129. The next prime is 12133159. The reversal of 12133139 is 93133121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12133139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12133129) 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, 6066569 + 6066570.

It is an arithmetic number, because the mean of its divisors is an integer number (6066570).

Almost surely, 2^12133139 is an apocalyptic number.

12133139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133139 is an equidigital number, since it uses as much as digits as its factorization.

12133139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

The square root of 12133139 is about 3483.2655655290. The cubic root of 12133139 is about 229.7864369212.

The spelling of 12133139 in words is "twelve million, one hundred thirty-three thousand, one hundred thirty-nine".