12825565 has 8 divisors (see below), whose sum is σ = 16296120. Its totient is φ = 9656832.

The previous prime is 12825557. The next prime is 12825577. The reversal of 12825565 is 56552821.

12825565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1279161 + 11546404 = 1131^2 + 3398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12825565 - 2³ = 12825557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12825565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75360 + ... + 75529.

It is an arithmetic number, because the mean of its divisors is an integer number (2037015).

Almost surely, 2^12825565 is an apocalyptic number.

It is an amenable number.

12825565 is a deficient number, since it is larger than the sum of its proper divisors (3470555).

12825565 is a wasteful number, since it uses less digits than its factorization.

12825565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150911.

The product of its digits is 24000, while the sum is 34.

The square root of 12825565 is about 3581.2797991779. The cubic root of 12825565 is about 234.0770498940.

The spelling of 12825565 in words is "twelve million, eight hundred twenty-five thousand, five hundred sixty-five".