11989327 has 4 divisors (see below), whose sum is σ = 13702096. Its totient is φ = 10276560.

The previous prime is 11989321. The next prime is 11989333. The reversal of 11989327 is 72398911.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11989321) and next prime (11989333).

It is not a de Polignac number, because 11989327 - 2³ = 11989319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11989327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11989321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856374 + ... + 856387.

It is an arithmetic number, because the mean of its divisors is an integer number (3425524).

Almost surely, 2^11989327 is an apocalyptic number.

11989327 is a deficient number, since it is larger than the sum of its proper divisors (1712769).

11989327 is an equidigital number, since it uses as much as digits as its factorization.

11989327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712768.

The product of its digits is 27216, while the sum is 40.

The square root of 11989327 is about 3462.5607575897. The cubic root of 11989327 is about 228.8749531825.

The spelling of 11989327 in words is "eleven million, nine hundred eighty-nine thousand, three hundred twenty-seven".