16885712 has 20 divisors (see below), whose sum is σ = 32812260. Its totient is φ = 8418048.

The previous prime is 16885711. The next prime is 16885721. The reversal of 16885712 is 21758861.

It can be written as a sum of positive squares in 2 ways, for example, as 11669056 + 5216656 = 3416^2 + 2284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16885711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4868 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (1640613).

Almost surely, 2^16885712 is an apocalyptic number.

It is an amenable number.

16885712 is a deficient number, since it is larger than the sum of its proper divisors (15926548).

16885712 is a wasteful number, since it uses less digits than its factorization.

16885712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110 (or 3104 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 16885712 is about 4109.2227975616. Note that the first 3 decimals coincide. The cubic root of 16885712 is about 256.5506538915.

The spelling of 16885712 in words is "sixteen million, eight hundred eighty-five thousand, seven hundred twelve".