12784625 has 32 divisors (see below), whose sum is σ = 19219200. Its totient is φ = 8294400.

The previous prime is 12784613. The next prime is 12784633. The reversal of 12784625 is 52648721.

12784625 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 12784625 - 2⁴ = 12784609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16241 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 2^12784625 is an apocalyptic number.

It is an amenable number.

12784625 is a deficient number, since it is larger than the sum of its proper divisors (6434575).

12784625 is an equidigital number, since it uses as much as digits as its factorization.

12784625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 800 counting only the distinct ones).

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

The square root of 12784625 is about 3575.5593967937. The cubic root of 12784625 is about 233.8277215882.

The spelling of 12784625 in words is "twelve million, seven hundred eighty-four thousand, six hundred twenty-five".