13216608 has 60 divisors (see below), whose sum is σ = 38877300. Its totient is φ = 4404672.

The previous prime is 13216607. The next prime is 13216613. The reversal of 13216608 is 80661231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 43 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (647955).

Almost surely, 2^13216608 is an apocalyptic number.

13216608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13216608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19438650).

13216608 is an abundant number, since it is smaller than the sum of its proper divisors (25660692).

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

13216608 is an equidigital number, since it uses as much as digits as its factorization.

13216608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5104 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 13216608 is about 3635.4653072200. The cubic root of 13216608 is about 236.4322252444.

Adding to 13216608 its reverse (80661231), we get a palindrome (93877839).

It can be divided in two parts, 13216 and 608, that added together give a cube (13824 = 24³).

The spelling of 13216608 in words is "thirteen million, two hundred sixteen thousand, six hundred eight".