16886 has 4 divisors (see below), whose sum is σ = 25332. Its totient is φ = 8442.
The previous prime is 16883. The next prime is 16889. The reversal of 16886 is 68861.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68861 = 13 ⋅5297.
It is an interprime number because it is at equal distance from previous prime (16883) and next prime (16889).
It is a Curzon number.
It is a plaindrome in base 13.
It is a nialpdrome in base 12 and base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16883) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220 + ... + 4223.
It is an arithmetic number, because the mean of its divisors is an integer number (6333).
16886 is a deficient number, since it is larger than the sum of its proper divisors (8446).
16886 is an equidigital number, since it uses as much as digits as its factorization.
16886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8445.
The product of its digits is 2304, while the sum is 29.
The square root of 16886 is about 129.9461426900. The cubic root of 16886 is about 25.6552112445.
The spelling of 16886 in words is "sixteen thousand, eight hundred eighty-six".
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