11863885 has 16 divisors (see below), whose sum is σ = 16349760. Its totient is φ = 8173440.

The previous prime is 11863879. The next prime is 11863889. The reversal of 11863885 is 58836811.

11863885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11863885 - 2⁹ = 11863373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4632 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (1021860).

Almost surely, 2^11863885 is an apocalyptic number.

It is an amenable number.

11863885 is a deficient number, since it is larger than the sum of its proper divisors (4485875).

11863885 is a wasteful number, since it uses less digits than its factorization.

11863885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11388.

The product of its digits is 46080, while the sum is 40.

The square root of 11863885 is about 3444.3990767622. The cubic root of 11863885 is about 228.0739282681.

The spelling of 11863885 in words is "eleven million, eight hundred sixty-three thousand, eight hundred eighty-five".