12133249 has 4 divisors (see below), whose sum is σ = 12141360. Its totient is φ = 12125140.

The previous prime is 12133243. The next prime is 12133271. The reversal of 12133249 is 94233121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12133249 - 2³ = 12133241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087 + ... + 5044.

It is an arithmetic number, because the mean of its divisors is an integer number (3035340).

Almost surely, 2^12133249 is an apocalyptic number.

It is an amenable number.

12133249 is a deficient number, since it is larger than the sum of its proper divisors (8111).

12133249 is an equidigital number, since it uses as much as digits as its factorization.

12133249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110.

The product of its digits is 1296, while the sum is 25.

The square root of 12133249 is about 3483.2813552741. The cubic root of 12133249 is about 229.7871313398.

The spelling of 12133249 in words is "twelve million, one hundred thirty-three thousand, two hundred forty-nine".