13216133 has 16 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 11099088.

The previous prime is 13216127. The next prime is 13216171. The reversal of 13216133 is 33161231.

It is a happy number.

13216133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13216133 - 2⁶ = 13216069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17816 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^13216133 is an apocalyptic number.

It is an amenable number.

13216133 is a deficient number, since it is larger than the sum of its proper divisors (2508667).

13216133 is an frugal number, since it uses more digits than its factorization.

13216133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 787 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 13216133 is about 3635.3999779942. The cubic root of 13216133 is about 236.4293927816.

Adding to 13216133 its reverse (33161231), we get a palindrome (46377364).

The spelling of 13216133 in words is "thirteen million, two hundred sixteen thousand, one hundred thirty-three".