13836 has 12 divisors (see below), whose sum is σ = 32312.
Its totient is φ = 4608.
The previous prime is 13831. The next prime is 13841. The reversal of 13836 is 63831.
It is an interprime number because it is at equal distance from previous prime (13831) and next prime (13841).
It is a tau number, because it is divible by the number of its divisors (12).
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 in 3 ways as a sum of consecutive naturals, for example, 565 + ... + 588.
213836 is an apocalyptic number.
It is an amenable number.
13836 is an abundant number, since it is smaller than the sum of its proper divisors (18476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16156).
13836 is a wasteful number, since it uses less digits than its factorization.
13836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).
The product of its digits is 432, while the sum is 21.
The square root of 13836 is about 117.6265276203.
The cubic root of 13836 is about 24.0069424360.
The spelling of 13836 in words is "thirteen thousand, eight hundred thirty-six".