12982647 has 4 divisors (see below), whose sum is σ = 17310200. Its totient is φ = 8655096.

The previous prime is 12982621. The next prime is 12982667. The reversal of 12982647 is 74628921.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12982647 - 2¹⁰ = 12981623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12982667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163772 + ... + 2163777.

It is an arithmetic number, because the mean of its divisors is an integer number (4327550).

Almost surely, 2^12982647 is an apocalyptic number.

12982647 is a deficient number, since it is larger than the sum of its proper divisors (4327553).

12982647 is an equidigital number, since it uses as much as digits as its factorization.

12982647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327552.

The product of its digits is 48384, while the sum is 39.

The square root of 12982647 is about 3603.1440437485. The cubic root of 12982647 is about 235.0287998505.

The spelling of 12982647 in words is "twelve million, nine hundred eighty-two thousand, six hundred forty-seven".