11587271 has 8 divisors (see below), whose sum is σ = 11811744. Its totient is φ = 11364640.

The previous prime is 11587267. The next prime is 11587309. The reversal of 11587271 is 17278511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11587271 - 2² = 11587267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11587241) 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 7 ways as a sum of consecutive naturals, for example, 20525 + ... + 21081.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468).

Almost surely, 2^11587271 is an apocalyptic number.

11587271 is a deficient number, since it is larger than the sum of its proper divisors (224473).

11587271 is an equidigital number, since it uses as much as digits as its factorization.

11587271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its digits is 3920, while the sum is 32.

The square root of 11587271 is about 3404.0080787213. The cubic root of 11587271 is about 226.2874081182.

The spelling of 11587271 in words is "eleven million, five hundred eighty-seven thousand, two hundred seventy-one".