13214216 has 16 divisors (see below), whose sum is σ = 24888300. Its totient is φ = 6577344.

The previous prime is 13214207. The next prime is 13214221. The reversal of 13214216 is 61241231.

It can be written as a sum of positive squares in 2 ways, for example, as 10824100 + 2390116 = 3290^2 + 1546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775 + ... + 5438.

Almost surely, 2^13214216 is an apocalyptic number.

It is an amenable number.

13214216 is a deficient number, since it is larger than the sum of its proper divisors (11674084).

13214216 is a wasteful number, since it uses less digits than its factorization.

13214216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448 (or 7444 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 13214216 is about 3635.1363110618. The cubic root of 13214216 is about 236.4179608683.

Adding to 13214216 its reverse (61241231), we get a palindrome (74455447).

The spelling of 13214216 in words is "thirteen million, two hundred fourteen thousand, two hundred sixteen".