13224560 has 40 divisors (see below), whose sum is σ = 31337280. Its totient is φ = 5188352.

The previous prime is 13224559. The next prime is 13224571. The reversal of 13224560 is 6542231.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2681 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (783432).

Almost surely, 2^13224560 is an apocalyptic number.

13224560 is a gapful number since it is divisible by the number (10) 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 13224560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15668640).

13224560 is an abundant number, since it is smaller than the sum of its proper divisors (18112720).

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

13224560 is a wasteful number, since it uses less digits than its factorization.

13224560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13224560 is about 3636.5588129439. The cubic root of 13224560 is about 236.4796335788.

Adding to 13224560 its reverse (6542231), we get a palindrome (19766791).

The spelling of 13224560 in words is "thirteen million, two hundred twenty-four thousand, five hundred sixty".