11853 has 8 divisors (see below), whose sum is σ = 17600. Its totient is φ = 7884.

The previous prime is 11839. The next prime is 11863. The reversal of 11853 is 35811.

It is a happy number.

It is not a de Polignac number, because 11853 - 2⁵ = 11821 is a prime.

It is a Duffinian number.

11853 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11813) 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, 193 + ... + 246.

It is an arithmetic number, because the mean of its divisors is an integer number (2200).

2¹¹⁸⁵³ is an apocalyptic number.

It is an amenable number.

11853 is a deficient number, since it is larger than the sum of its proper divisors (5747).

11853 is an equidigital number, since it uses as much as digits as its factorization.

11853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11853 is about 108.8714838697. The cubic root of 11853 is about 22.8004155049.

It can be divided in two parts, 118 and 53, that added together give a palindrome (171).

The spelling of 11853 in words is "eleven thousand, eight hundred fifty-three".