12456125 has 16 divisors (see below), whose sum is σ = 16960320. Its totient is φ = 9058000.

The previous prime is 12456107. The next prime is 12456131. The reversal of 12456125 is 52165421.

It is not a de Polignac number, because 12456125 - 2¹² = 12452029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12456094 and 12456103.

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 15 ways as a sum of consecutive naturals, for example, 3155 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (1060020).

Almost surely, 2^12456125 is an apocalyptic number.

It is an amenable number.

12456125 is a deficient number, since it is larger than the sum of its proper divisors (4504195).

12456125 is an equidigital number, since it uses as much as digits as its factorization.

12456125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085 (or 9075 counting only the distinct ones).

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

The square root of 12456125 is about 3529.3235895848. The cubic root of 12456125 is about 231.8075904194.

The spelling of 12456125 in words is "twelve million, four hundred fifty-six thousand, one hundred twenty-five".