12666125 has 16 divisors (see below), whose sum is σ = 15971904. Its totient is φ = 10027600.

The previous prime is 12666083. The next prime is 12666131. The reversal of 12666125 is 52166621.

It is not a de Polignac number, because 12666125 - 2⁸ = 12665869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12902 + ... + 13848.

It is an arithmetic number, because the mean of its divisors is an integer number (998244).

Almost surely, 2^12666125 is an apocalyptic number.

It is an amenable number.

12666125 is a deficient number, since it is larger than the sum of its proper divisors (3305779).

12666125 is an equidigital number, since it uses as much as digits as its factorization.

12666125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1059 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 12666125 is about 3558.9499855997. The cubic root of 12666125 is about 233.1030324040.

The spelling of 12666125 in words is "twelve million, six hundred sixty-six thousand, one hundred twenty-five".