11581282 has 16 divisors (see below), whose sum is σ = 18224640. Its totient is φ = 5509152.

The previous prime is 11581261. The next prime is 11581331. The reversal of 11581282 is 28218511.

11581282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11581282.

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, 9694 + ... + 10822.

It is an arithmetic number, because the mean of its divisors is an integer number (1139040).

Almost surely, 2^11581282 is an apocalyptic number.

11581282 is a deficient number, since it is larger than the sum of its proper divisors (6643358).

11581282 is a wasteful number, since it uses less digits than its factorization.

11581282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its digits is 1280, while the sum is 28.

The square root of 11581282 is about 3403.1282667569. The cubic root of 11581282 is about 226.2484150759.

Adding to 11581282 its reverse (28218511), we get a palindrome (39799793).

The spelling of 11581282 in words is "eleven million, five hundred eighty-one thousand, two hundred eighty-two".