13085133 has 4 divisors (see below), whose sum is σ = 17446848. Its totient is φ = 8723420.

The previous prime is 13085113. The next prime is 13085141. The reversal of 13085133 is 33158031.

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.

It is a cyclic number.

It is not a de Polignac number, because 13085133 - 2¹⁴ = 13068749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085113) 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, 2180853 + ... + 2180858.

It is an arithmetic number, because the mean of its divisors is an integer number (4361712).

Almost surely, 2^13085133 is an apocalyptic number.

It is an amenable number.

13085133 is a deficient number, since it is larger than the sum of its proper divisors (4361715).

13085133 is an equidigital number, since it uses as much as digits as its factorization.

13085133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361714.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13085133 is about 3617.3378332691. The cubic root of 13085133 is about 235.6456246560.

It can be divided in two parts, 1308 and 5133, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 13085133 in words is "thirteen million, eighty-five thousand, one hundred thirty-three".