12535825 has 12 divisors (see below), whose sum is σ = 15839388. Its totient is φ = 9838400.

The previous prime is 12535823. The next prime is 12535837. The reversal of 12535825 is 52853521.

It can be written as a sum of positive squares in 6 ways, for example, as 138384 + 12397441 = 372^2 + 3521^2 .

It is not a de Polignac number, because 12535825 - 2¹ = 12535823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3406 + ... + 6055.

It is an arithmetic number, because the mean of its divisors is an integer number (1319949).

Almost surely, 2^12535825 is an apocalyptic number.

It is an amenable number.

12535825 is a deficient number, since it is larger than the sum of its proper divisors (3303563).

12535825 is an equidigital number, since it uses as much as digits as its factorization.

12535825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524 (or 9519 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 12535825 is about 3540.5967011226. The cubic root of 12535825 is about 232.3009434338.

The spelling of 12535825 in words is "twelve million, five hundred thirty-five thousand, eight hundred twenty-five".