13824205 has 4 divisors (see below), whose sum is σ = 16589052. Its totient is φ = 11059360.

The previous prime is 13824169. The next prime is 13824211. The reversal of 13824205 is 50242831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50242831 = 67 ⋅749893.

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 12033961 = 1338^2 + 3469^2 .

It is not a de Polignac number, because 13824205 - 2¹¹ = 13822157 is a prime.

It is a super-2 number, since 2×13824205² = 382217287764050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13824205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382416 + ... + 1382425.

It is an arithmetic number, because the mean of its divisors is an integer number (4147263).

Almost surely, 2^13824205 is an apocalyptic number.

It is an amenable number.

13824205 is a deficient number, since it is larger than the sum of its proper divisors (2764847).

13824205 is an equidigital number, since it uses as much as digits as its factorization.

13824205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764846.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13824205 is about 3718.0915803675. The cubic root of 13824205 is about 240.0011863367.

The spelling of 13824205 in words is "thirteen million, eight hundred twenty-four thousand, two hundred five".