12784014 has 32 divisors (see below), whose sum is σ = 28882080. Its totient is φ = 4190400.

The previous prime is 12784007. The next prime is 12784033. The reversal of 12784014 is 41048721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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, 1354 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (902565).

Almost surely, 2^12784014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12784014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14441040).

12784014 is an abundant number, since it is smaller than the sum of its proper divisors (16098066).

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

12784014 is a wasteful number, since it uses less digits than its factorization.

12784014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3947 counting only the distinct ones).

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

The square root of 12784014 is about 3575.4739545968. The cubic root of 12784014 is about 233.8239965145.

The spelling of 12784014 in words is "twelve million, seven hundred eighty-four thousand, fourteen".