11884878 has 12 divisors (see below), whose sum is σ = 25750608. Its totient is φ = 3961620.

The previous prime is 11884837. The next prime is 11884897. The reversal of 11884878 is 87848811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330118 + ... + 330153.

It is an arithmetic number, because the mean of its divisors is an integer number (2145884).

Almost surely, 2^11884878 is an apocalyptic number.

11884878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11884878 is an abundant number, since it is smaller than the sum of its proper divisors (13865730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11884878 is a wasteful number, since it uses less digits than its factorization.

11884878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660279 (or 660276 counting only the distinct ones).

The product of its digits is 114688, while the sum is 45.

The square root of 11884878 is about 3447.4451409703. The cubic root of 11884878 is about 228.2083736788.

The spelling of 11884878 in words is "eleven million, eight hundred eighty-four thousand, eight hundred seventy-eight".