12425605 has 4 divisors (see below), whose sum is σ = 14910732. Its totient is φ = 9940480.

The previous prime is 12425597. The next prime is 12425629. The reversal of 12425605 is 50652421.

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 8421604 + 4004001 = 2902^2 + 2001^2 .

It is not a de Polignac number, because 12425605 - 2³ = 12425597 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 12425605.

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, 1242556 + ... + 1242565.

It is an arithmetic number, because the mean of its divisors is an integer number (3727683).

Almost surely, 2^12425605 is an apocalyptic number.

It is an amenable number.

12425605 is a deficient number, since it is larger than the sum of its proper divisors (2485127).

12425605 is an equidigital number, since it uses as much as digits as its factorization.

12425605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485126.

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

The square root of 12425605 is about 3524.9971631194. The cubic root of 12425605 is about 231.6181105788.

The spelling of 12425605 in words is "twelve million, four hundred twenty-five thousand, six hundred five".