12342133 has 4 divisors (see below), whose sum is σ = 12349260. Its totient is φ = 12335008.

The previous prime is 12342073. The next prime is 12342149. The reversal of 12342133 is 33124321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1954404 + 10387729 = 1398^2 + 3223^2 .

It is a cyclic number.

It is not a de Polignac number, because 12342133 - 2¹⁷ = 12211061 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12342133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12346133) 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, 891 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (3087315).

Almost surely, 2^12342133 is an apocalyptic number.

It is an amenable number.

12342133 is a deficient number, since it is larger than the sum of its proper divisors (7127).

12342133 is an equidigital number, since it uses as much as digits as its factorization.

12342133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126.

The product of its digits is 432, while the sum is 19.

The square root of 12342133 is about 3513.1372019891. The cubic root of 12342133 is about 231.0982946559.

Adding to 12342133 its reverse (33124321), we get a palindrome (45466454).

The spelling of 12342133 in words is "twelve million, three hundred forty-two thousand, one hundred thirty-three".