13726 has 4 divisors (see below), whose sum is σ = 20592.
Its totient is φ = 6862.
The previous prime is 13723. The next prime is 13729. The reversal of 13726 is 62731.
It can be divided in two parts, 1372 and 6, that added together give a triangular number (1378 = T52).
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (13723) and next prime (13729).
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13721) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3430 + ... + 3433.
It is an arithmetic number, because the mean of its divisors is an integer number (5148).
213726 is an apocalyptic number.
13726 is a deficient number, since it is larger than the sum of its proper divisors (6866).
13726 is an equidigital number, since it uses as much as digits as its factorization.
13726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6865.
The product of its digits is 252, while the sum is 19.
The square root of 13726 is about 117.1580129569.
The cubic root of 13726 is about 23.9431524917.
The spelling of 13726 in words is "thirteen thousand, seven hundred twenty-six".