16878912 has 28 divisors (see below), whose sum is σ = 44659296. Its totient is φ = 5626240.

The previous prime is 16878889. The next prime is 16878947. The reversal of 16878912 is 21987861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43764 + ... + 44147.

Almost surely, 2^16878912 is an apocalyptic number.

16878912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16878912 is an abundant number, since it is smaller than the sum of its proper divisors (27780384).

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

16878912 is an equidigital number, since it uses as much as digits as its factorization.

16878912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87926 (or 87916 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 16878912 is about 4108.3953071729. The cubic root of 16878912 is about 256.5162109913.

The spelling of 16878912 in words is "sixteen million, eight hundred seventy-eight thousand, nine hundred twelve".