13581324 has 24 divisors (see below), whose sum is σ = 35211120. Its totient is φ = 4527072.

The previous prime is 13581319. The next prime is 13581349. The reversal of 13581324 is 42318531.

It is a happy number.

13581324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62769 + ... + 62984.

It is an arithmetic number, because the mean of its divisors is an integer number (1467130).

Almost surely, 2^13581324 is an apocalyptic number.

It is an amenable number.

13581324 is an abundant number, since it is smaller than the sum of its proper divisors (21629796).

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

13581324 is a wasteful number, since it uses less digits than its factorization.

13581324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125766 (or 125758 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13581324 is about 3685.2847922515. The cubic root of 13581324 is about 238.5873261169.

Adding to 13581324 its reverse (42318531), we get a palindrome (55899855).

The spelling of 13581324 in words is "thirteen million, five hundred eighty-one thousand, three hundred twenty-four".