12738133 has 2 divisors, whose sum is σ = 12738134. Its totient is φ = 12738132.

The previous prime is 12738119. The next prime is 12738149. The reversal of 12738133 is 33183721.

12738133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 4937284 = 2793^2 + 2222^2 .

It is an emirp because it is prime and its reverse (33183721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12738133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12738433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6369066 + 6369067.

It is an arithmetic number, because the mean of its divisors is an integer number (6369067).

Almost surely, 2^12738133 is an apocalyptic number.

It is an amenable number.

12738133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12738133 is an equidigital number, since it uses as much as digits as its factorization.

12738133 is an evil number, because the sum of its binary digits is even.

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

The square root of 12738133 is about 3569.0521150580. The cubic root of 12738133 is about 233.5439348019.

The spelling of 12738133 in words is "twelve million, seven hundred thirty-eight thousand, one hundred thirty-three".