16812706 has 8 divisors (see below), whose sum is σ = 25834284. Its totient is φ = 8201280.

The previous prime is 16812667. The next prime is 16812707. The reversal of 16812706 is 60721861.

It can be written as a sum of positive squares in 2 ways, for example, as 16769025 + 43681 = 4095^2 + 209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16812707) by changing a digit.

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, 102435 + ... + 102598.

Almost surely, 2^16812706 is an apocalyptic number.

16812706 is a deficient number, since it is larger than the sum of its proper divisors (9021578).

16812706 is a wasteful number, since it uses less digits than its factorization.

16812706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205076.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 16812706 is about 4100.3299867206. The cubic root of 16812706 is about 256.1803843412.

The spelling of 16812706 in words is "sixteen million, eight hundred twelve thousand, seven hundred six".