12133085 has 4 divisors (see below), whose sum is σ = 14559708. Its totient is φ = 9706464.

The previous prime is 12133073. The next prime is 12133129. The reversal of 12133085 is 58033121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 10903204 = 1109^2 + 3302^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133085 - 2⁶ = 12133021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12133085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213304 + ... + 1213313.

It is an arithmetic number, because the mean of its divisors is an integer number (3639927).

Almost surely, 2^12133085 is an apocalyptic number.

It is an amenable number.

12133085 is a deficient number, since it is larger than the sum of its proper divisors (2426623).

12133085 is an equidigital number, since it uses as much as digits as its factorization.

12133085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426622.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12133085 is about 3483.2578141734. The cubic root of 12133085 is about 229.7860960233.

The spelling of 12133085 in words is "twelve million, one hundred thirty-three thousand, eighty-five".