13216113 has 6 divisors (see below), whose sum is σ = 19089954. Its totient is φ = 8810736.

The previous prime is 13216097. The next prime is 13216127. The reversal of 13216113 is 31161231.

13216113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 17424 = 3633^2 + 132^2 .

It is not a de Polignac number, because 13216113 - 2⁴ = 13216097 is a prime.

It is a Curzon number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734220 + ... + 734237.

It is an arithmetic number, because the mean of its divisors is an integer number (3181659).

Almost surely, 2^13216113 is an apocalyptic number.

It is an amenable number.

13216113 is a deficient number, since it is larger than the sum of its proper divisors (5873841).

13216113 is a wasteful number, since it uses less digits than its factorization.

13216113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468463 (or 1468460 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 13216113 is about 3635.3972272642. The cubic root of 13216113 is about 236.4292735185.

Adding to 13216113 its reverse (31161231), we get a palindrome (44377344).

The spelling of 13216113 in words is "thirteen million, two hundred sixteen thousand, one hundred thirteen".