13133317 has 4 divisors (see below), whose sum is σ = 13586220. Its totient is φ = 12680416.

The previous prime is 13133311. The next prime is 13133321. The reversal of 13133317 is 71333131.

13133317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71333131 = 2459 ⋅29009.

It can be written as a sum of positive squares in 2 ways, for example, as 3806401 + 9326916 = 1951^2 + 3054^2 .

It is a cyclic number.

It is not a de Polignac number, because 13133317 - 2¹⁹ = 12609029 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 (13133311) 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, 226408 + ... + 226465.

It is an arithmetic number, because the mean of its divisors is an integer number (3396555).

Almost surely, 2^13133317 is an apocalyptic number.

It is an amenable number.

13133317 is a deficient number, since it is larger than the sum of its proper divisors (452903).

13133317 is an equidigital number, since it uses as much as digits as its factorization.

13133317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452902.

The product of its digits is 567, while the sum is 22.

The square root of 13133317 is about 3623.9918598143. The cubic root of 13133317 is about 235.9345133344.

Adding to 13133317 its reverse (71333131), we get a palindrome (84466448).

The spelling of 13133317 in words is "thirteen million, one hundred thirty-three thousand, three hundred seventeen".