12104784 has 30 divisors (see below), whose sum is σ = 33876986. Its totient is φ = 4034880.

The previous prime is 12104783. The next prime is 12104789. The reversal of 12104784 is 48740121.

It can be written as a sum of positive squares in only one way, i.e., 6906384 + 5198400 = 2628^2 + 2280^2 .

It is a congruent number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41887 + ... + 42174.

Almost surely, 2^12104784 is an apocalyptic number.

It is an amenable number.

12104784 is an abundant number, since it is smaller than the sum of its proper divisors (21772202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12104784 is a wasteful number, since it uses less digits than its factorization.

12104784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84075 (or 84066 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 12104784 is about 3479.1930098803. The cubic root of 12104784 is about 229.6072945838.

The spelling of 12104784 in words is "twelve million, one hundred four thousand, seven hundred eighty-four".