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BaseRepresentation
bin11001000101001
3122121121
43020221
5402331
6135241
752303
oct31051
918547
1012841
119714
127521
135aca
144973
153c11
hex3229

12841 has 2 divisors, whose sum is σ = 12842. Its totient is φ = 12840.

The previous prime is 12829. The next prime is 12853. The reversal of 12841 is 14821.

It can be divided in two parts, 128 and 41, that added together give a square (169 = 132).

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12829) and next prime (12853).

It can be written as a sum of positive squares in only one way, i.e., 10816 + 2025 = 104^2 + 45^2 .

It is an emirp because it is prime and its reverse (14821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12841 - 25 = 12809 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (12821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6420 + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (6421).

212841 is an apocalyptic number.

It is an amenable number.

12841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12841 is an equidigital number, since it uses as much as digits as its factorization.

12841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 16.

The square root of 12841 is about 113.3181362360. The cubic root of 12841 is about 23.4170912708.

The spelling of 12841 in words is "twelve thousand, eight hundred forty-one".