12784016 has 20 divisors (see below), whose sum is σ = 28307712. Its totient is φ = 5478816.

The previous prime is 12784007. The next prime is 12784033. The reversal of 12784016 is 61048721.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12784016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56960 + ... + 57183.

Almost surely, 2^12784016 is an apocalyptic number.

12784016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12784016 is an abundant number, since it is smaller than the sum of its proper divisors (15523696).

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

12784016 is a wasteful number, since it uses less digits than its factorization.

12784016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114158 (or 114152 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12784016 is about 3575.4742342800. The cubic root of 12784016 is about 233.8240087080.

The spelling of 12784016 in words is "twelve million, seven hundred eighty-four thousand, sixteen".