13573128 has 64 divisors (see below), whose sum is σ = 36034560. Its totient is φ = 4251456.

The previous prime is 13573099. The next prime is 13573129. The reversal of 13573128 is 82137531.

It is a junction number, because it is equal to n+sod(n) for n = 13573095 and 13573104.

It is not an unprimeable number, because it can be changed into a prime (13573129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36801 + ... + 37167.

It is an arithmetic number, because the mean of its divisors is an integer number (563040).

Almost surely, 2^13573128 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 13573128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18017280).

13573128 is an abundant number, since it is smaller than the sum of its proper divisors (22461432).

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

13573128 is a wasteful number, since it uses less digits than its factorization.

13573128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 462 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 13573128 is about 3684.1726343916. The cubic root of 13573128 is about 238.5393225689.

The spelling of 13573128 in words is "thirteen million, five hundred seventy-three thousand, one hundred twenty-eight".