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12065 = 519127
BaseRepresentation
bin10111100100001
3121112212
42330201
5341230
6131505
750114
oct27441
917485
1012065
119079
126b95
135651
14457b
153895
hex2f21

12065 has 8 divisors (see below), whose sum is σ = 15360. Its totient is φ = 9072.

The previous prime is 12049. The next prime is 12071. The reversal of 12065 is 56021.

12065 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 cyclic number.

It is not a de Polignac number, because 12065 - 24 = 12049 is a prime.

It is a plaindrome in base 14.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32 + ... + 158.

It is an arithmetic number, because the mean of its divisors is an integer number (1920).

212065 is an apocalyptic number.

It is an amenable number.

12065 is a deficient number, since it is larger than the sum of its proper divisors (3295).

12065 is a wasteful number, since it uses less digits than its factorization.

12065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12065 is about 109.8407938791. The cubic root of 12065 is about 22.9355473420.

Adding to 12065 its reverse (56021), we get a palindrome (68086).

Subtracting 12065 from its reverse (56021), we obtain a triangular number (43956 = T296).

The spelling of 12065 in words is "twelve thousand, sixty-five".

Divisors: 1 5 19 95 127 635 2413 12065