10881728 has 112 divisors (see below), whose sum is σ = 26883360. Its totient is φ = 4300800.

The previous prime is 10881701. The next prime is 10881733. The reversal of 10881728 is 82718801.

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, 265388 + ... + 265428.

It is an arithmetic number, because the mean of its divisors is an integer number (240030).

Almost surely, 2^10881728 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 10881728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13441680).

10881728 is an abundant number, since it is smaller than the sum of its proper divisors (16001632).

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

10881728 is a wasteful number, since it uses less digits than its factorization.

10881728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 10881728 is about 3298.7464285695. The cubic root of 10881728 is about 221.5980606902.

The spelling of 10881728 in words is "ten million, eight hundred eighty-one thousand, seven hundred twenty-eight".