11989583 has 8 divisors (see below), whose sum is σ = 12260400. Its totient is φ = 11721600.

The previous prime is 11989553. The next prime is 11989597. The reversal of 11989583 is 38598911.

It is a happy number.

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 11989583 - 2⁶ = 11989519 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 (11989543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9383 + ... + 10583.

It is an arithmetic number, because the mean of its divisors is an integer number (1532550).

Almost surely, 2^11989583 is an apocalyptic number.

11989583 is a deficient number, since it is larger than the sum of its proper divisors (270817).

11989583 is a wasteful number, since it uses less digits than its factorization.

11989583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its digits is 77760, while the sum is 44.

The square root of 11989583 is about 3462.5977242527. The cubic root of 11989583 is about 228.8765821750.

The spelling of 11989583 in words is "eleven million, nine hundred eighty-nine thousand, five hundred eighty-three".