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13715 = 513211
BaseRepresentation
bin11010110010011
3200210222
43112103
5414330
6143255
754662
oct32623
920728
1013715
11a339
127b2b
136320
144dd9
1540e5
hex3593

13715 has 8 divisors (see below), whose sum is σ = 17808. Its totient is φ = 10080.

The previous prime is 13711. The next prime is 13721. The reversal of 13715 is 51731.

13715 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13715 - 22 = 13711 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 13693 and 13702.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 13715.

It is not an unprimeable number, because it can be changed into a prime (13711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 170.

It is an arithmetic number, because the mean of its divisors is an integer number (2226).

213715 is an apocalyptic number.

13715 is a deficient number, since it is larger than the sum of its proper divisors (4093).

13715 is a wasteful number, since it uses less digits than its factorization.

13715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 105, while the sum is 17.

The square root of 13715 is about 117.1110584018. Note that the first 3 decimals coincide. The cubic root of 13715 is about 23.9367547778.

The spelling of 13715 in words is "thirteen thousand, seven hundred fifteen".

Divisors: 1 5 13 65 211 1055 2743 13715