12503125 has 12 divisors (see below), whose sum is σ = 15631812. Its totient is φ = 10000000.

The previous prime is 12503059. The next prime is 12503131. The reversal of 12503125 is 52130521.

12503125 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 6 ways, for example, as 12264004 + 239121 = 3502^2 + 489^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12503125 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 1125 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1302651).

Almost surely, 2^12503125 is an apocalyptic number.

It is an amenable number.

12503125 is a deficient number, since it is larger than the sum of its proper divisors (3128687).

12503125 is an frugal number, since it uses more digits than its factorization.

12503125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 4006 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12503125 is about 3535.9758200531. The cubic root of 12503125 is about 232.0987800227.

Adding to 12503125 its reverse (52130521), we get a palindrome (64633646).

The spelling of 12503125 in words is "twelve million, five hundred three thousand, one hundred twenty-five".