11849 has 6 divisors (see below), whose sum is σ = 12894. Its totient is φ = 10880.

The previous prime is 11839. The next prime is 11863. The reversal of 11849 is 94811.

11849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1849 + 10000 = 43^2 + 100^2 .

It is not a de Polignac number, because 11849 - 2⁴ = 11833 is a prime.

It is a Duffinian number.

11849 is a Rhonda number in base 12.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11839) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 269 + ... + 309.

It is an arithmetic number, because the mean of its divisors is an integer number (2149).

2¹¹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

11849 is a deficient number, since it is larger than the sum of its proper divisors (1045).

11849 is an equidigital number, since it uses as much as digits as its factorization.

11849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 58 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 11849 is about 108.8531120364. The cubic root of 11849 is about 22.7978504180.

It can be divided in two parts, 11 and 849, that multiplied together give a palindrome (9339).

The spelling of 11849 in words is "eleven thousand, eight hundred forty-nine".