13216448 has 28 divisors (see below), whose sum is σ = 29974032. Its totient is φ = 5664000.

The previous prime is 13216433. The next prime is 13216477. The reversal of 13216448 is 84461231.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 13216448.

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, 14303 + ... + 15198.

Almost surely, 2^13216448 is an apocalyptic number.

It is an amenable number.

13216448 is an abundant number, since it is smaller than the sum of its proper divisors (16757584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13216448 is an equidigital number, since it uses as much as digits as its factorization.

13216448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29520 (or 29510 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 13216448 is about 3635.4433017171. The cubic root of 13216448 is about 236.4312711593.

Adding to 13216448 its reverse (84461231), we get a palindrome (97677679).

The spelling of 13216448 in words is "thirteen million, two hundred sixteen thousand, four hundred forty-eight".