11271384 has 48 divisors (see below), whose sum is σ = 31359120. Its totient is φ = 3654720.

The previous prime is 11271367. The next prime is 11271437. The reversal of 11271384 is 48317211.

11271384 is a `hidden beast` number, since 11 + 271 + 384 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549 + ... + 4779.

It is an arithmetic number, because the mean of its divisors is an integer number (653315).

Almost surely, 2^11271384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11271384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15679560).

11271384 is an abundant number, since it is smaller than the sum of its proper divisors (20087736).

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

11271384 is a wasteful number, since it uses less digits than its factorization.

11271384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4273 counting only the distinct ones).

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

The square root of 11271384 is about 3357.2881913830. The cubic root of 11271384 is about 224.2121183723.

Adding to 11271384 its reverse (48317211), we get a palindrome (59588595).

The spelling of 11271384 in words is "eleven million, two hundred seventy-one thousand, three hundred eighty-four".