12133251 has 12 divisors (see below), whose sum is σ = 18874128. Its totient is φ = 7466544.

The previous prime is 12133243. The next prime is 12133271. The reversal of 12133251 is 15233121.

12133251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12133251 - 2³ = 12133243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12133241) 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 in 11 ways as a sum of consecutive naturals, for example, 51735 + ... + 51968.

It is an arithmetic number, because the mean of its divisors is an integer number (1572844).

Almost surely, 2^12133251 is an apocalyptic number.

12133251 is a deficient number, since it is larger than the sum of its proper divisors (6740877).

12133251 is a wasteful number, since it uses less digits than its factorization.

12133251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103722 (or 103719 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 12133251 is about 3483.2816423597. The cubic root of 12133251 is about 229.7871439656.

Adding to 12133251 its reverse (15233121), we get a palindrome (27366372).

The spelling of 12133251 in words is "twelve million, one hundred thirty-three thousand, two hundred fifty-one".