12448647 has 12 divisors (see below), whose sum is σ = 18647720. Its totient is φ = 8298936.

The previous prime is 12448633. The next prime is 12448651. The reversal of 12448647 is 74684421.

12448647 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 8 + 647 = 666.

It is not a de Polignac number, because 12448647 - 2¹⁹ = 11924359 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 (12448547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25372 + ... + 25857.

Almost surely, 2^12448647 is an apocalyptic number.

12448647 is a deficient number, since it is larger than the sum of its proper divisors (6199073).

12448647 is an frugal number, since it uses more digits than its factorization.

12448647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51244 (or 51232 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 12448647 is about 3528.2640207331. The cubic root of 12448647 is about 231.7611927858.

The spelling of 12448647 in words is "twelve million, four hundred forty-eight thousand, six hundred forty-seven".