12813284 has 24 divisors (see below), whose sum is σ = 24665088. Its totient is φ = 5775840.

The previous prime is 12813263. The next prime is 12813301. The reversal of 12813284 is 48231821.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4442 + ... + 6734.

It is an arithmetic number, because the mean of its divisors is an integer number (1027712).

Almost surely, 2^12813284 is an apocalyptic number.

It is an amenable number.

12813284 is a deficient number, since it is larger than the sum of its proper divisors (11851804).

12813284 is a wasteful number, since it uses less digits than its factorization.

12813284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2433 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 12813284 is about 3579.5647780142. The cubic root of 12813284 is about 234.0023132700.

The spelling of 12813284 in words is "twelve million, eight hundred thirteen thousand, two hundred eighty-four".