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12886 = 217379
BaseRepresentation
bin11001001010110
3122200021
43021112
5403021
6135354
752366
oct31126
918607
1012886
119755
12755a
135b33
1449a6
153c41
hex3256

12886 has 8 divisors (see below), whose sum is σ = 20520. Its totient is φ = 6048.

The previous prime is 12853. The next prime is 12889. The reversal of 12886 is 68821.

12886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 12886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889) 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, 156 + ... + 223.

It is an arithmetic number, because the mean of its divisors is an integer number (2565).

212886 is an apocalyptic number.

12886 is a deficient number, since it is larger than the sum of its proper divisors (7634).

12886 is a wasteful number, since it uses less digits than its factorization.

12886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its digits is 768, while the sum is 25.

The square root of 12886 is about 113.5165186217. The cubic root of 12886 is about 23.4444136641. Note that the first 4 decimals are identical.

The spelling of 12886 in words is "twelve thousand, eight hundred eighty-six".

Divisors: 1 2 17 34 379 758 6443 12886