11298728 has 32 divisors (see below), whose sum is σ = 24494400. Its totient is φ = 4785792.

The previous prime is 11298709. The next prime is 11298731. The reversal of 11298728 is 82789211.

11298728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11298728² = 255322508835968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11298691 and 11298700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (765450).

Almost surely, 2^11298728 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 11298728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12247200).

11298728 is an abundant number, since it is smaller than the sum of its proper divisors (13195672).

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

11298728 is a wasteful number, since it uses less digits than its factorization.

11298728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2365 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The square root of 11298728 is about 3361.3580588804. The cubic root of 11298728 is about 224.3932823147.

The spelling of 11298728 in words is "eleven million, two hundred ninety-eight thousand, seven hundred twenty-eight".