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13834 = 26917
BaseRepresentation
bin11011000001010
3200222101
43120022
5420314
6144014
755222
oct33012
920871
1013834
11a437
12800a
1363b2
145082
154174
hex360a

13834 has 4 divisors (see below), whose sum is σ = 20754. Its totient is φ = 6916.

The previous prime is 13831. The next prime is 13841. The reversal of 13834 is 43831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43831 = 53827.

It can be written as a sum of positive squares in only one way, i.e., 11025 + 2809 = 105^2 + 53^2 .

It is a super-3 number, since 3×138343 = 7942634333112, which contains 333 as substring.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (13831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457 + ... + 3460.

213834 is an apocalyptic number.

13834 is a deficient number, since it is larger than the sum of its proper divisors (6920).

13834 is an equidigital number, since it uses as much as digits as its factorization.

13834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919.

The product of its digits is 288, while the sum is 19.

The square root of 13834 is about 117.6180258294. The cubic root of 13834 is about 24.0057856422.

The spelling of 13834 in words is "thirteen thousand, eight hundred thirty-four".

Divisors: 1 2 6917 13834