12465205 has 4 divisors (see below), whose sum is σ = 14958252. Its totient is φ = 9972160.

The previous prime is 12465151. The next prime is 12465209. The reversal of 12465205 is 50256421.

12465205 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6185169 + 6280036 = 2487^2 + 2506^2 .

It is not a de Polignac number, because 12465205 - 2⁷ = 12465077 is a prime.

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 12465205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465209) by changing a digit.

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, 1246516 + ... + 1246525.

It is an arithmetic number, because the mean of its divisors is an integer number (3739563).

Almost surely, 2^12465205 is an apocalyptic number.

It is an amenable number.

12465205 is a deficient number, since it is larger than the sum of its proper divisors (2493047).

12465205 is an equidigital number, since it uses as much as digits as its factorization.

12465205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493046.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 12465205 is about 3530.6097207140. The cubic root of 12465205 is about 231.8639027874.

The spelling of 12465205 in words is "twelve million, four hundred sixty-five thousand, two hundred five".