12647825 has 12 divisors (see below), whose sum is σ = 16509360. Its totient is φ = 9585360.

The previous prime is 12647819. The next prime is 12647827. The reversal of 12647825 is 52874621.

12647825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12647825 - 2¹⁰ = 12646801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12647827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12839 + ... + 13788.

It is an arithmetic number, because the mean of its divisors is an integer number (1375780).

Almost surely, 2^12647825 is an apocalyptic number.

It is an amenable number.

12647825 is a deficient number, since it is larger than the sum of its proper divisors (3861535).

12647825 is a wasteful number, since it uses less digits than its factorization.

12647825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26656 (or 26651 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 12647825 is about 3556.3780732650. The cubic root of 12647825 is about 232.9907159815.

The spelling of 12647825 in words is "twelve million, six hundred forty-seven thousand, eight hundred twenty-five".