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12867 = 34289
BaseRepresentation
bin11001001000011
3122122120
43021003
5402432
6135323
752341
oct31103
918576
1012867
119738
127543
135b1a
144991
153c2c
hex3243

12867 has 4 divisors (see below), whose sum is σ = 17160. Its totient is φ = 8576.

The previous prime is 12853. The next prime is 12889. The reversal of 12867 is 76821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12867 - 27 = 12739 is a prime.

It is a D-number.

12867 is a lucky number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (12967) 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, 2142 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (4290).

212867 is an apocalyptic number.

12867 is a deficient number, since it is larger than the sum of its proper divisors (4293).

12867 is an equidigital number, since it uses as much as digits as its factorization.

12867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292.

The product of its digits is 672, while the sum is 24.

The square root of 12867 is about 113.4327994894. The cubic root of 12867 is about 23.4328853137.

It can be divided in two parts, 12 and 867, that multiplied together give a square (10404 = 1022).

The spelling of 12867 in words is "twelve thousand, eight hundred sixty-seven".

Divisors: 1 3 4289 12867