16906812 has 24 divisors (see below), whose sum is σ = 42484176. Its totient is φ = 5202048.

The previous prime is 16906781. The next prime is 16906829. The reversal of 16906812 is 21860961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54033 + ... + 54344.

It is an arithmetic number, because the mean of its divisors is an integer number (1770174).

Almost surely, 2^16906812 is an apocalyptic number.

16906812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16906812 is an abundant number, since it is smaller than the sum of its proper divisors (25577364).

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

16906812 is a wasteful number, since it uses less digits than its factorization.

16906812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108397 (or 108395 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 16906812 is about 4111.7893914937. The cubic root of 16906812 is about 256.6574693580.

The spelling of 16906812 in words is "sixteen million, nine hundred six thousand, eight hundred twelve".