11987883 has 6 divisors (see below), whose sum is σ = 17315844. Its totient is φ = 7991916.

The previous prime is 11987863. The next prime is 11987891. The reversal of 11987883 is 38878911.

It is not a de Polignac number, because 11987883 - 2⁸ = 11987627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11987863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665985 + ... + 666002.

It is an arithmetic number, because the mean of its divisors is an integer number (2885974).

Almost surely, 2^11987883 is an apocalyptic number.

11987883 is a deficient number, since it is larger than the sum of its proper divisors (5327961).

11987883 is a wasteful number, since it uses less digits than its factorization.

11987883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331993 (or 1331990 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 11987883 is about 3462.3522351142. The cubic root of 11987883 is about 228.8657642125.

The spelling of 11987883 in words is "eleven million, nine hundred eighty-seven thousand, eight hundred eighty-three".