13453216 has 96 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 5225472.

The previous prime is 13453213. The next prime is 13453247. The reversal of 13453216 is 61235431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453213) 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 15 ways as a sum of consecutive naturals, for example, 123370 + ... + 123478.

It is an arithmetic number, because the mean of its divisors is an integer number (346500).

Almost surely, 2^13453216 is an apocalyptic number.

13453216 is a gapful number since it is divisible by the number (16) 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 13453216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16632000).

13453216 is an abundant number, since it is smaller than the sum of its proper divisors (19810784).

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

13453216 is a wasteful number, since it uses less digits than its factorization.

13453216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 166 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 13453216 is about 3667.8625928461. The cubic root of 13453216 is about 237.8347840014.

Adding to 13453216 its reverse (61235431), we get a palindrome (74688647).

It can be divided in two parts, 134532 and 16, that multiplied together give a palindrome (2152512).

The spelling of 13453216 in words is "thirteen million, four hundred fifty-three thousand, two hundred sixteen".