12892133 has 4 divisors (see below), whose sum is σ = 12966828. Its totient is φ = 12817440.

The previous prime is 12892129. The next prime is 12892181. The reversal of 12892133 is 33129821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10452289 + 2439844 = 3233^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 12892133 - 2² = 12892129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12892096 and 12892105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12892333) 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, 37088 + ... + 37433.

It is an arithmetic number, because the mean of its divisors is an integer number (3241707).

Almost surely, 2^12892133 is an apocalyptic number.

It is an amenable number.

12892133 is a deficient number, since it is larger than the sum of its proper divisors (74695).

12892133 is an equidigital number, since it uses as much as digits as its factorization.

12892133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74694.

The product of its digits is 2592, while the sum is 29.

The square root of 12892133 is about 3590.5616552289. The cubic root of 12892133 is about 234.4813247479.

The spelling of 12892133 in words is "twelve million, eight hundred ninety-two thousand, one hundred thirty-three".