13155133 has 2 divisors, whose sum is σ = 13155134. Its totient is φ = 13155132.

The previous prime is 13155083. The next prime is 13155139. The reversal of 13155133 is 33155131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13155129 + 4 = 3627^2 + 2^2 .

It is an emirp because it is prime and its reverse (33155131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13155133 - 2⁹ = 13154621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13155139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577566 + 6577567.

It is an arithmetic number, because the mean of its divisors is an integer number (6577567).

Almost surely, 2^13155133 is an apocalyptic number.

It is an amenable number.

13155133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155133 is an equidigital number, since it uses as much as digits as its factorization.

13155133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 675, while the sum is 22.

The square root of 13155133 is about 3627.0005514199. Note that the first 3 decimals coincide. The cubic root of 13155133 is about 236.0650794857.

The spelling of 13155133 in words is "thirteen million, one hundred fifty-five thousand, one hundred thirty-three".