13551324 has 48 divisors (see below), whose sum is σ = 33911808. Its totient is φ = 4200768.

The previous prime is 13551319. The next prime is 13551337. The reversal of 13551324 is 42315531.

It is a junction number, because it is equal to n+sod(n) for n = 13551294 and 13551303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9549 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (706496).

Almost surely, 2^13551324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13551324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16955904).

13551324 is an abundant number, since it is smaller than the sum of its proper divisors (20360484).

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

13551324 is a wasteful number, since it uses less digits than its factorization.

13551324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1392 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 13551324 is about 3681.2123003163. The cubic root of 13551324 is about 238.4115235110.

Adding to 13551324 its reverse (42315531), we get a palindrome (55866855).

The spelling of 13551324 in words is "thirteen million, five hundred fifty-one thousand, three hundred twenty-four".