12784316 has 12 divisors (see below), whose sum is σ = 22624560. Its totient is φ = 6320160.

The previous prime is 12784313. The next prime is 12784339. The reversal of 12784316 is 61348721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12784313) 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 3 ways as a sum of consecutive naturals, for example, 17600 + ... + 18311.

It is an arithmetic number, because the mean of its divisors is an integer number (1885380).

Almost surely, 2^12784316 is an apocalyptic number.

It is an amenable number.

12784316 is a deficient number, since it is larger than the sum of its proper divisors (9840244).

12784316 is a wasteful number, since it uses less digits than its factorization.

12784316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36004 (or 36002 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 12784316 is about 3575.5161865107. The cubic root of 12784316 is about 233.8258377278.

The spelling of 12784316 in words is "twelve million, seven hundred eighty-four thousand, three hundred sixteen".