11985893 has 4 divisors (see below), whose sum is σ = 12240960. Its totient is φ = 11730828.

The previous prime is 11985889. The next prime is 11985907. The reversal of 11985893 is 39858911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11985893 - 2² = 11985889 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 (11985803) 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, 127463 + ... + 127556.

It is an arithmetic number, because the mean of its divisors is an integer number (3060240).

Almost surely, 2^11985893 is an apocalyptic number.

It is an amenable number.

11985893 is a deficient number, since it is larger than the sum of its proper divisors (255067).

11985893 is an equidigital number, since it uses as much as digits as its factorization.

11985893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255066.

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

The square root of 11985893 is about 3462.0648463020. The cubic root of 11985893 is about 228.8530995333.

The spelling of 11985893 in words is "eleven million, nine hundred eighty-five thousand, eight hundred ninety-three".