13853 has 4 divisors (see below), whose sum is σ = 15840. Its totient is φ = 11868.

The previous prime is 13841. The next prime is 13859. The reversal of 13853 is 35831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13853 - 2⁶ = 13789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13859) 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, 983 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (3960).

2¹³⁸⁵³ is an apocalyptic number.

It is an amenable number.

13853 is a deficient number, since it is larger than the sum of its proper divisors (1987).

13853 is an equidigital number, since it uses as much as digits as its factorization.

13853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986.

The product of its digits is 360, while the sum is 20.

The square root of 13853 is about 117.6987680479. The cubic root of 13853 is about 24.0167706857.

It can be divided in two parts, 138 and 53, that added together give a palindrome (191).

The spelling of 13853 in words is "thirteen thousand, eight hundred fifty-three".