11983587 has 24 divisors (see below), whose sum is σ = 20279232. Its totient is φ = 6224400.

The previous prime is 11983571. The next prime is 11983619. The reversal of 11983587 is 78538911.

It is not a de Polignac number, because 11983587 - 2⁴ = 11983571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11983507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2089 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (844968).

Almost surely, 2^11983587 is an apocalyptic number.

11983587 is a deficient number, since it is larger than the sum of its proper divisors (8295645).

11983587 is a wasteful number, since it uses less digits than its factorization.

11983587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439 (or 7432 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 11983587 is about 3461.7317920370. The cubic root of 11983587 is about 228.8384220261.

The spelling of 11983587 in words is "eleven million, nine hundred eighty-three thousand, five hundred eighty-seven".