13822849 has 4 divisors (see below), whose sum is σ = 13831636. Its totient is φ = 13814064.

The previous prime is 13822847. The next prime is 13822859. The reversal of 13822849 is 94822831.

13822849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 2310400 = 3393^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 13822849 - 2¹ = 13822847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13822847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (3457909).

Almost surely, 2^13822849 is an apocalyptic number.

It is an amenable number.

13822849 is a deficient number, since it is larger than the sum of its proper divisors (8787).

13822849 is an equidigital number, since it uses as much as digits as its factorization.

13822849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786.

The product of its digits is 27648, while the sum is 37.

The square root of 13822849 is about 3717.9092242818. The cubic root of 13822849 is about 239.9933389355.

The spelling of 13822849 in words is "thirteen million, eight hundred twenty-two thousand, eight hundred forty-nine".