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12995 = 523113
BaseRepresentation
bin11001011000011
3122211022
43023003
5403440
6140055
752613
oct31303
918738
1012995
119844
12762b
135bb8
144a43
153cb5
hex32c3

12995 has 8 divisors (see below), whose sum is σ = 16416. Its totient is φ = 9856.

The previous prime is 12983. The next prime is 13001. The reversal of 12995 is 59921.

It is a happy number.

12995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1142-1.

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 12995 - 24 = 12979 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

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, 59 + ... + 171.

It is an arithmetic number, because the mean of its divisors is an integer number (2052).

212995 is an apocalyptic number.

12995 is a deficient number, since it is larger than the sum of its proper divisors (3421).

12995 is a wasteful number, since it uses less digits than its factorization.

12995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its digits is 810, while the sum is 26.

The square root of 12995 is about 113.9956139507. The cubic root of 12995 is about 23.5103319590.

The spelling of 12995 in words is "twelve thousand, nine hundred ninety-five".

Divisors: 1 5 23 113 115 565 2599 12995