12866125 has 8 divisors (see below), whose sum is σ = 16057080. Its totient is φ = 10292800.

The previous prime is 12866101. The next prime is 12866129. The reversal of 12866125 is 52166821.

It can be written as a sum of positive squares in 4 ways, for example, as 149769 + 12716356 = 387^2 + 3566^2 .

It is not a de Polignac number, because 12866125 - 2⁷ = 12865997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51340 + ... + 51589.

It is an arithmetic number, because the mean of its divisors is an integer number (2007135).

Almost surely, 2^12866125 is an apocalyptic number.

It is an amenable number.

12866125 is a deficient number, since it is larger than the sum of its proper divisors (3190955).

12866125 is an equidigital number, since it uses as much as digits as its factorization.

12866125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102944 (or 102934 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 12866125 is about 3586.9381093072. The cubic root of 12866125 is about 234.3235412953.

The spelling of 12866125 in words is "twelve million, eight hundred sixty-six thousand, one hundred twenty-five".