12642133 has 8 divisors (see below), whose sum is σ = 14631680. Its totient is φ = 10698480.

The previous prime is 12642131. The next prime is 12642139. The reversal of 12642133 is 33124621.

12642133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12642133 - 2¹ = 12642131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10878 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (1828960).

Almost surely, 2^12642133 is an apocalyptic number.

It is an amenable number.

12642133 is a deficient number, since it is larger than the sum of its proper divisors (1989547).

12642133 is an equidigital number, since it uses as much as digits as its factorization.

12642133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22947.

The product of its digits is 864, while the sum is 22.

The square root of 12642133 is about 3555.5777308336. The cubic root of 12642133 is about 232.9557591898.

Adding to 12642133 its reverse (33124621), we get a palindrome (45766754).

The spelling of 12642133 in words is "twelve million, six hundred forty-two thousand, one hundred thirty-three".