13851328 has 56 divisors (see below), whose sum is σ = 30175200. Its totient is φ = 6279168.

The previous prime is 13851293. The next prime is 13851329. The reversal of 13851328 is 82315831.

It is a self number, because there is not a number n which added to its sum of digits gives 13851328.

It is not an unprimeable number, because it can be changed into a prime (13851329) by changing a digit.

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, 31333 + ... + 31771.

Almost surely, 2^13851328 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 13851328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15087600).

13851328 is an abundant number, since it is smaller than the sum of its proper divisors (16323872).

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

13851328 is a wasteful number, since it uses less digits than its factorization.

13851328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 487 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 13851328 is about 3721.7372287683. The cubic root of 13851328 is about 240.1580440506.

The spelling of 13851328 in words is "thirteen million, eight hundred fifty-one thousand, three hundred twenty-eight".