16812906 has 16 divisors (see below), whose sum is σ = 36682848. Its totient is φ = 5094800.

The previous prime is 16812899. The next prime is 16812907. The reversal of 16812906 is 60921861.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16812907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127305 + ... + 127436.

It is an arithmetic number, because the mean of its divisors is an integer number (2292678).

Almost surely, 2^16812906 is an apocalyptic number.

16812906 is an abundant number, since it is smaller than the sum of its proper divisors (19869942).

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

16812906 is a wasteful number, since it uses less digits than its factorization.

16812906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254757.

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

The square root of 16812906 is about 4100.3543749291. The cubic root of 16812906 is about 256.1814001577.

The spelling of 16812906 in words is "sixteen million, eight hundred twelve thousand, nine hundred six".