12405325 has 24 divisors (see below), whose sum is σ = 16505640. Its totient is φ = 9248000.

The previous prime is 12405319. The next prime is 12405331. The reversal of 12405325 is 52350421.

12405325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12405319) and next prime (12405331).

It can be written as a sum of positive squares in 12 ways, for example, as 447561 + 11957764 = 669^2 + 3458^2 .

It is not a de Polignac number, because 12405325 - 2³ = 12405317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12405296 and 12405305.

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 23 ways as a sum of consecutive naturals, for example, 122775 + ... + 122875.

It is an arithmetic number, because the mean of its divisors is an integer number (687735).

Almost surely, 2^12405325 is an apocalyptic number.

It is an amenable number.

12405325 is a deficient number, since it is larger than the sum of its proper divisors (4100315).

12405325 is an equidigital number, since it uses as much as digits as its factorization.

12405325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12405325 is about 3522.1193903671. The cubic root of 12405325 is about 231.4920329334.

Adding to 12405325 its reverse (52350421), we get a palindrome (64755746).

The spelling of 12405325 in words is "twelve million, four hundred five thousand, three hundred twenty-five".