12104785 has 32 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 7212480.

The previous prime is 12104783. The next prime is 12104789. The reversal of 12104785 is 58740121.

It is not a de Polignac number, because 12104785 - 2¹ = 12104783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12104783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8172 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (590976).

Almost surely, 2^12104785 is an apocalyptic number.

It is an amenable number.

12104785 is a deficient number, since it is larger than the sum of its proper divisors (6806447).

12104785 is a wasteful number, since it uses less digits than its factorization.

12104785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12104785 is about 3479.1931535918. The cubic root of 12104785 is about 229.6073009066.

It can be divided in two parts, 1210 and 4785, that added together give a palindrome (5995).

The spelling of 12104785 in words is "twelve million, one hundred four thousand, seven hundred eighty-five".