12133279 has 2 divisors, whose sum is σ = 12133280. Its totient is φ = 12133278.

The previous prime is 12133271. The next prime is 12133283. The reversal of 12133279 is 97233121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12133279 - 2³ = 12133271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066639 + 6066640.

It is an arithmetic number, because the mean of its divisors is an integer number (6066640).

Almost surely, 2^12133279 is an apocalyptic number.

12133279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133279 is an equidigital number, since it uses as much as digits as its factorization.

12133279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 12133279 is about 3483.2856615558. The cubic root of 12133279 is about 229.7873207260.

The spelling of 12133279 in words is "twelve million, one hundred thirty-three thousand, two hundred seventy-nine".