13216322 has 16 divisors (see below), whose sum is σ = 22913280. Its totient is φ = 5599968.

The previous prime is 13216303. The next prime is 13216331. The reversal of 13216322 is 22361231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13216294 and 13216303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4058 + ... + 6549.

It is an arithmetic number, because the mean of its divisors is an integer number (1432080).

Almost surely, 2^13216322 is an apocalyptic number.

13216322 is a deficient number, since it is larger than the sum of its proper divisors (9696958).

13216322 is a wasteful number, since it uses less digits than its factorization.

13216322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705.

The product of its digits is 432, while the sum is 20.

The square root of 13216322 is about 3635.4259722899. The cubic root of 13216322 is about 236.4305198118.

Adding to 13216322 its reverse (22361231), we get a palindrome (35577553).

The spelling of 13216322 in words is "thirteen million, two hundred sixteen thousand, three hundred twenty-two".