11854 has 4 divisors (see below), whose sum is σ = 17784. Its totient is φ = 5926.

The previous prime is 11839. The next prime is 11863. The reversal of 11854 is 45811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45811 = 61 ⋅751.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

11854 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2962 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (4446).

2¹¹⁸⁵⁴ is an apocalyptic number.

11854 is a deficient number, since it is larger than the sum of its proper divisors (5930).

11854 is an equidigital number, since it uses as much as digits as its factorization.

11854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929.

The product of its digits is 160, while the sum is 19.

The square root of 11854 is about 108.8760763437. The cubic root of 11854 is about 22.8010566864.

The spelling of 11854 in words is "eleven thousand, eight hundred fifty-four".