12837133 has 4 divisors (see below), whose sum is σ = 13028800. Its totient is φ = 12645468.

The previous prime is 12837107. The next prime is 12837191. The reversal of 12837133 is 33173821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33173821 = 4603 ⋅7207.

It is a cyclic number.

It is not a de Polignac number, because 12837133 - 2⁵ = 12837101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12837233) 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 3 ways as a sum of consecutive naturals, for example, 95733 + ... + 95866.

It is an arithmetic number, because the mean of its divisors is an integer number (3257200).

Almost surely, 2^12837133 is an apocalyptic number.

It is an amenable number.

12837133 is a deficient number, since it is larger than the sum of its proper divisors (191667).

12837133 is an equidigital number, since it uses as much as digits as its factorization.

12837133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191666.

The product of its digits is 3024, while the sum is 28.

The square root of 12837133 is about 3582.8945002609. The cubic root of 12837133 is about 234.1474038998.

The spelling of 12837133 in words is "twelve million, eight hundred thirty-seven thousand, one hundred thirty-three".