11845 has 8 divisors (see below), whose sum is σ = 14976. Its totient is φ = 8976.

The previous prime is 11839. The next prime is 11863. The reversal of 11845 is 54811.

11845 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11845 - 2⁵ = 11813 is a prime.

It is a Duffinian number.

11845 is a lucky number.

It is a plaindrome in base 11 and base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 166.

It is an arithmetic number, because the mean of its divisors is an integer number (1872).

2¹¹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

11845 is a deficient number, since it is larger than the sum of its proper divisors (3131).

11845 is a wasteful number, since it uses less digits than its factorization.

11845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131.

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

The square root of 11845 is about 108.8347371017. The cubic root of 11845 is about 22.7952847539.

The spelling of 11845 in words is "eleven thousand, eight hundred forty-five".