11047860 has 96 divisors (see below), whose sum is σ = 35280000. Its totient is φ = 2868480.

The previous prime is 11047853. The next prime is 11047877. The reversal of 11047860 is 6874011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21891 + ... + 22389.

It is an arithmetic number, because the mean of its divisors is an integer number (367500).

Almost surely, 2^11047860 is an apocalyptic number.

11047860 is a gapful number since it is divisible by the number (10) 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 11047860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17640000).

11047860 is an abundant number, since it is smaller than the sum of its proper divisors (24232140).

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

11047860 is a wasteful number, since it uses less digits than its factorization.

11047860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 11047860 is about 3323.8321257248. The cubic root of 11047860 is about 222.7200869036.

Subtracting from 11047860 its reverse (6874011), we obtain a square (4173849 = 2043²).

The spelling of 11047860 in words is "eleven million, forty-seven thousand, eight hundred sixty".