11391327 has 16 divisors (see below), whose sum is σ = 17038080. Its totient is φ = 7521336.

The previous prime is 11391293. The next prime is 11391329. The reversal of 11391327 is 72319311.

It is not a de Polignac number, because 11391327 - 2¹⁰ = 11390303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11391327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11391329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918 + ... + 4860.

It is an arithmetic number, because the mean of its divisors is an integer number (1064880).

Almost surely, 2^11391327 is an apocalyptic number.

11391327 is a deficient number, since it is larger than the sum of its proper divisors (5646753).

11391327 is a wasteful number, since it uses less digits than its factorization.

11391327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059 (or 4053 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 11391327 is about 3375.1039983977. The cubic root of 11391327 is about 225.0046221273.

The spelling of 11391327 in words is "eleven million, three hundred ninety-one thousand, three hundred twenty-seven".