12528125 has 24 divisors (see below), whose sum is σ = 16561440. Its totient is φ = 9450000.

The previous prime is 12528121. The next prime is 12528143. The reversal of 12528125 is 52182521.

It is not a de Polignac number, because 12528125 - 2² = 12528121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12528094 and 12528103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59270 + ... + 59480.

It is an arithmetic number, because the mean of its divisors is an integer number (690060).

Almost surely, 2^12528125 is an apocalyptic number.

It is an amenable number.

12528125 is a deficient number, since it is larger than the sum of its proper divisors (4033315).

12528125 is an frugal number, since it uses more digits than its factorization.

12528125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 235 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 12528125 is about 3539.5091467603. The cubic root of 12528125 is about 232.2533708801.

It can be divided in two parts, 125 and 28125, that multiplied together give a square (3515625 = 1875²).

The spelling of 12528125 in words is "twelve million, five hundred twenty-eight thousand, one hundred twenty-five".