11271712 has 24 divisors (see below), whose sum is σ = 23360400. Its totient is φ = 5338944.

The previous prime is 11271707. The next prime is 11271713. The reversal of 11271712 is 21717211.

It is not an unprimeable number, because it can be changed into a prime (11271713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8662 + ... + 9877.

It is an arithmetic number, because the mean of its divisors is an integer number (973350).

Almost surely, 2^11271712 is an apocalyptic number.

It is an amenable number.

11271712 is an abundant number, since it is smaller than the sum of its proper divisors (12088688).

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

11271712 is a wasteful number, since it uses less digits than its factorization.

11271712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568 (or 18560 counting only the distinct ones).

The product of its digits is 196, while the sum is 22.

The square root of 11271712 is about 3357.3370399768. The cubic root of 11271712 is about 224.2142932269.

Adding to 11271712 its reverse (21717211), we get a palindrome (32988923).

It can be divided in two parts, 112 and 71712, that added together give a square (71824 = 268²).

The spelling of 11271712 in words is "eleven million, two hundred seventy-one thousand, seven hundred twelve".