12449 has 4 divisors (see below), whose sum is σ = 12720. Its totient is φ = 12180.

The previous prime is 12437. The next prime is 12451. The reversal of 12449 is 94421.

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 12449 - 2⁴ = 12433 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6, base 10 and base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 12449.

It is not an unprimeable number, because it can be changed into a prime (12409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 164.

It is an arithmetic number, because the mean of its divisors is an integer number (3180).

2¹²⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

12449 is a deficient number, since it is larger than the sum of its proper divisors (271).

12449 is an equidigital number, since it uses as much as digits as its factorization.

12449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its digits is 288, while the sum is 20.

The square root of 12449 is about 111.5750868250. The cubic root of 12449 is about 23.1763383410.

The spelling of 12449 in words is "twelve thousand, four hundred forty-nine".