13805528 has 32 divisors (see below), whose sum is σ = 28728000. Its totient is φ = 6166560.

The previous prime is 13805527. The next prime is 13805531. The reversal of 13805528 is 82550831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13805494 and 13805503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13805521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3863 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (897750).

Almost surely, 2^13805528 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 13805528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14364000).

13805528 is an abundant number, since it is smaller than the sum of its proper divisors (14922472).

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

13805528 is a wasteful number, since it uses less digits than its factorization.

13805528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 13805528 is about 3715.5790934927. The cubic root of 13805528 is about 239.8930542031.

The spelling of 13805528 in words is "thirteen million, eight hundred five thousand, five hundred twenty-eight".