13216105 has 16 divisors (see below), whose sum is σ = 18299520. Its totient is φ = 8975232.

The previous prime is 13216097. The next prime is 13216127. The reversal of 13216105 is 50161231.

13216105 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13216105 - 2³ = 13216097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1981 + ... + 5509.

It is an arithmetic number, because the mean of its divisors is an integer number (1143720).

Almost surely, 2^13216105 is an apocalyptic number.

It is an amenable number.

13216105 is a deficient number, since it is larger than the sum of its proper divisors (5083415).

13216105 is a wasteful number, since it uses less digits than its factorization.

13216105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 13216105 is about 3635.3961269716. The cubic root of 13216105 is about 236.4292258132.

Adding to 13216105 its reverse (50161231), we get a palindrome (63377336).

The spelling of 13216105 in words is "thirteen million, two hundred sixteen thousand, one hundred five".