13243560 has 128 divisors (see below), whose sum is σ = 44236800. Its totient is φ = 3144960.

The previous prime is 13243547. The next prime is 13243579. The reversal of 13243560 is 6534231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13243560.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104217 + ... + 104343.

It is an arithmetic number, because the mean of its divisors is an integer number (345600).

Almost surely, 2^13243560 is an apocalyptic number.

13243560 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 13243560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22118400).

13243560 is an abundant number, since it is smaller than the sum of its proper divisors (30993240).

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

13243560 is a wasteful number, since it uses less digits than its factorization.

13243560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13243560 is about 3639.1702350948. The cubic root of 13243560 is about 236.5928311186.

Adding to 13243560 its reverse (6534231), we get a palindrome (19777791).

It can be divided in two parts, 1324 and 3560, that added together give a palindrome (4884).

The spelling of 13243560 in words is "thirteen million, two hundred forty-three thousand, five hundred sixty".