13017133 has 4 divisors (see below), whose sum is σ = 13071388. Its totient is φ = 12962880.

The previous prime is 13017127. The next prime is 13017157. The reversal of 13017133 is 33171031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33171031 = 487 ⋅68113.

It can be written as a sum of positive squares in 2 ways, for example, as 5076009 + 7941124 = 2253^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 13017133 - 2⁵ = 13017101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13017133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13017113) 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, 26766 + ... + 27247.

It is an arithmetic number, because the mean of its divisors is an integer number (3267847).

Almost surely, 2^13017133 is an apocalyptic number.

It is an amenable number.

13017133 is a deficient number, since it is larger than the sum of its proper divisors (54255).

13017133 is an equidigital number, since it uses as much as digits as its factorization.

13017133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54254.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 13017133 is about 3607.9264127751. The cubic root of 13017133 is about 235.2367193681.

Adding to 13017133 its reverse (33171031), we get a palindrome (46188164).

The spelling of 13017133 in words is "thirteen million, seventeen thousand, one hundred thirty-three".