12133422 has 32 divisors (see below), whose sum is σ = 30816000. Its totient is φ = 3466584.

The previous prime is 12133421. The next prime is 12133463. The reversal of 12133422 is 22433121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12133395 and 12133404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133421) 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 15 ways as a sum of consecutive naturals, for example, 15672 + ... + 16427.

It is an arithmetic number, because the mean of its divisors is an integer number (963000).

Almost surely, 2^12133422 is an apocalyptic number.

12133422 is an abundant number, since it is smaller than the sum of its proper divisors (18682578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12133422 is a wasteful number, since it uses less digits than its factorization.

12133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32117 (or 32111 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12133422 is about 3483.3061880920. The cubic root of 12133422 is about 229.7882234624.

Adding to 12133422 its reverse (22433121), we get a palindrome (34566543).

The spelling of 12133422 in words is "twelve million, one hundred thirty-three thousand, four hundred twenty-two".