12503825 has 6 divisors (see below), whose sum is σ = 15504774. Its totient is φ = 10003040.

The previous prime is 12503797. The next prime is 12503831. The reversal of 12503825 is 52830521.

It can be written as a sum of positive squares in 3 ways, for example, as 529 + 12503296 = 23^2 + 3536^2 .

It is not a de Polignac number, because 12503825 - 2¹⁶ = 12438289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12503794 and 12503803.

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 5 ways as a sum of consecutive naturals, for example, 250052 + ... + 250101.

It is an arithmetic number, because the mean of its divisors is an integer number (2584129).

Almost surely, 2^12503825 is an apocalyptic number.

It is an amenable number.

12503825 is a deficient number, since it is larger than the sum of its proper divisors (3000949).

12503825 is an equidigital number, since it uses as much as digits as its factorization.

12503825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500163 (or 500158 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 12503825 is about 3536.0748012450. The cubic root of 12503825 is about 232.1031113695.

The spelling of 12503825 in words is "twelve million, five hundred three thousand, eight hundred twenty-five".