Search a number
-
+
12585889 is a prime number
BaseRepresentation
bin110000000000…
…101110100001
3212200102121001
4300000232201
511210222024
61125432001
7211656361
oct60005641
925612531
1012585889
117116a68
12426b601
1327b8894
1419589a1
151189244
hexc00ba1

12585889 has 2 divisors, whose sum is σ = 12585890. Its totient is φ = 12585888.

The previous prime is 12585877. The next prime is 12585931. The reversal of 12585889 is 98858521.

12585889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12531600 + 54289 = 3540^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 12585889 - 211 = 12583841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12585829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6292944 + 6292945.

It is an arithmetic number, because the mean of its divisors is an integer number (6292945).

Almost surely, 212585889 is an apocalyptic number.

It is an amenable number.

12585889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12585889 is an equidigital number, since it uses as much as digits as its factorization.

12585889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 46.

The square root of 12585889 is about 3547.6596510939. The cubic root of 12585889 is about 232.6097774266.

The spelling of 12585889 in words is "twelve million, five hundred eighty-five thousand, eight hundred eighty-nine".