13455216 has 120 divisors (see below), whose sum is σ = 40216176. Its totient is φ = 4193280.

The previous prime is 13455191. The next prime is 13455223. The reversal of 13455216 is 61255431.

13455216 is a `hidden beast` number, since 134 + 5 + 521 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13455216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253846 + ... + 253898.

Almost surely, 2^13455216 is an apocalyptic number.

13455216 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 13455216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20108088).

13455216 is an abundant number, since it is smaller than the sum of its proper divisors (26760960).

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

13455216 is a wasteful number, since it uses less digits than its factorization.

13455216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 142 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 13455216 is about 3668.1352210626. The cubic root of 13455216 is about 237.8465691884.

It can be divided in two parts, 1345 and 5216, that added together give a 8-th power (6561 = 3⁸).

The spelling of 13455216 in words is "thirteen million, four hundred fifty-five thousand, two hundred sixteen".