11276220 has 48 divisors (see below), whose sum is σ = 32030208. Its totient is φ = 2963520.

The previous prime is 11276207. The next prime is 11276261. The reversal of 11276220 is 2267211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2937 + ... + 5583.

It is an arithmetic number, because the mean of its divisors is an integer number (667296).

Almost surely, 2^11276220 is an apocalyptic number.

11276220 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 11276220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16015104).

11276220 is an abundant number, since it is smaller than the sum of its proper divisors (20753988).

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

11276220 is a wasteful number, since it uses less digits than its factorization.

11276220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 11276220 is about 3358.0083382863. The cubic root of 11276220 is about 224.2441799414.

Subtracting from 11276220 its reverse (2267211), we obtain a palindrome (9009009).

The spelling of 11276220 in words is "eleven million, two hundred seventy-six thousand, two hundred twenty".