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13895 = 57397
BaseRepresentation
bin11011001000111
3201001122
43121013
5421040
6144155
755340
oct33107
921048
1013895
11a492
12805b
13642b
1450c7
1541b5
hex3647

13895 has 8 divisors (see below), whose sum is σ = 19104. Its totient is φ = 9504.

The previous prime is 13883. The next prime is 13901. The reversal of 13895 is 59831.

13895 = 152 + 162 + ... + 352.

13895 is digitally balanced in base 3, 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 13895 - 24 = 13879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164 + ... + 233.

It is an arithmetic number, because the mean of its divisors is an integer number (2388).

213895 is an apocalyptic number.

13895 is a deficient number, since it is larger than the sum of its proper divisors (5209).

13895 is an equidigital number, since it uses as much as digits as its factorization.

13895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 1080, while the sum is 26.

The square root of 13895 is about 117.8770545950. The cubic root of 13895 is about 24.0410178205.

The spelling of 13895 in words is "thirteen thousand, eight hundred ninety-five".

Divisors: 1 5 7 35 397 1985 2779 13895