13216768 has 22 divisors (see below), whose sum is σ = 26422676. Its totient is φ = 6607872.

The previous prime is 13216751. The next prime is 13216783. The reversal of 13216768 is 86761231.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5430 + ... + 7477.

Almost surely, 2^13216768 is an apocalyptic number.

It is an amenable number.

13216768 is a deficient number, since it is larger than the sum of its proper divisors (13205908).

13216768 is an equidigital number, since it uses as much as digits as its factorization.

13216768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927 (or 12909 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 13216768 is about 3635.4873125896. The cubic root of 13216768 is about 236.4331793219.

Adding to 13216768 its reverse (86761231), we get a palindrome (99977999).

It can be divided in two parts, 132 and 16768, that added together give a square (16900 = 130²).

The spelling of 13216768 in words is "thirteen million, two hundred sixteen thousand, seven hundred sixty-eight".