12758125 has 20 divisors (see below), whose sum is σ = 16166700. Its totient is φ = 10064000.

The previous prime is 12758111. The next prime is 12758167. The reversal of 12758125 is 52185721.

12758125 is digitally balanced in base 2, 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 10 ways, for example, as 11437924 + 1320201 = 3382^2 + 1149^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12758125 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85551 + ... + 85699.

It is an arithmetic number, because the mean of its divisors is an integer number (808335).

Almost surely, 2^12758125 is an apocalyptic number.

It is an amenable number.

12758125 is a deficient number, since it is larger than the sum of its proper divisors (3408575).

12758125 is an equidigital number, since it uses as much as digits as its factorization.

12758125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 291 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 12758125 is about 3571.8517606418. The cubic root of 12758125 is about 233.6660502868. Note that the first 3 decimals are identical.

The spelling of 12758125 in words is "twelve million, seven hundred fifty-eight thousand, one hundred twenty-five".