11017872 has 60 divisors (see below), whose sum is σ = 32465680. Its totient is φ = 3478464.

The previous prime is 11017861. The next prime is 11017873. The reversal of 11017872 is 27871011.

It is not an unprimeable number, because it can be changed into a prime (11017873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723 + ... + 4749.

Almost surely, 2^11017872 is an apocalyptic number.

11017872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11017872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16232840).

11017872 is an abundant number, since it is smaller than the sum of its proper divisors (21447808).

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

11017872 is a wasteful number, since it uses less digits than its factorization.

11017872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 11017872 is about 3319.3180022408. The cubic root of 11017872 is about 222.5183892557.

Adding to 11017872 its reverse (27871011), we get a palindrome (38888883).

The spelling of 11017872 in words is "eleven million, seventeen thousand, eight hundred seventy-two".