11417728 has 32 divisors (see below), whose sum is σ = 25997760. Its totient is φ = 4892928.

The previous prime is 11417713. The next prime is 11417741. The reversal of 11417728 is 82771411.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11417728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5476 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (812430).

Almost surely, 2^11417728 is an apocalyptic number.

It is an amenable number.

11417728 is an abundant number, since it is smaller than the sum of its proper divisors (14580032).

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

11417728 is an equidigital number, since it uses as much as digits as its factorization.

11417728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12764 (or 12752 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 11417728 is about 3379.0128736067. The cubic root of 11417728 is about 225.1783146137.

The spelling of 11417728 in words is "eleven million, four hundred seventeen thousand, seven hundred twenty-eight".