12847456 has 24 divisors (see below), whose sum is σ = 25560360. Its totient is φ = 6355968.

The previous prime is 12847453. The next prime is 12847507. The reversal of 12847456 is 65474821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12847453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1065015).

Almost surely, 2^12847456 is an apocalyptic number.

12847456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12847456 is a deficient number, since it is larger than the sum of its proper divisors (12712904).

12847456 is an equidigital number, since it uses as much as digits as its factorization.

12847456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246 (or 4238 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 12847456 is about 3584.3348057903. The cubic root of 12847456 is about 234.2101504137.

The spelling of 12847456 in words is "twelve million, eight hundred forty-seven thousand, four hundred fifty-six".