11271764 has 36 divisors (see below), whose sum is σ = 23173920. Its totient is φ = 4782960.

The previous prime is 11271751. The next prime is 11271781. The reversal of 11271764 is 46717211.

Its product of digits (2352) is a multiple of the sum of its prime factors (588).

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, 25457 + ... + 25895.

It is an arithmetic number, because the mean of its divisors is an integer number (643720).

Almost surely, 2^11271764 is an apocalyptic number.

11271764 is a gapful number since it is divisible by the number (14) 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 11271764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11586960).

11271764 is an abundant number, since it is smaller than the sum of its proper divisors (11902156).

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

11271764 is a wasteful number, since it uses less digits than its factorization.

11271764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 579 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 11271764 is about 3357.3447842008. The cubic root of 11271764 is about 224.2146380170.

Adding to 11271764 its reverse (46717211), we get a palindrome (57988975).

The spelling of 11271764 in words is "eleven million, two hundred seventy-one thousand, seven hundred sixty-four".