12785885 has 16 divisors (see below), whose sum is σ = 17597952. Its totient is φ = 8736000.

The previous prime is 12785869. The next prime is 12785933. The reversal of 12785885 is 58858721.

12785885 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 12785885 - 2⁴ = 12785869 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, 13580 + ... + 14490.

It is an arithmetic number, because the mean of its divisors is an integer number (1099872).

Almost surely, 2^12785885 is an apocalyptic number.

It is an amenable number.

12785885 is a deficient number, since it is larger than the sum of its proper divisors (4812067).

12785885 is an equidigital number, since it uses as much as digits as its factorization.

12785885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 179200, while the sum is 44.

The square root of 12785885 is about 3575.7355886586. The cubic root of 12785885 is about 233.8354030351.

The spelling of 12785885 in words is "twelve million, seven hundred eighty-five thousand, eight hundred eighty-five".