12847232 has 32 divisors (see below), whose sum is σ = 26484300. Its totient is φ = 6200320.

The previous prime is 12847201. The next prime is 12847267. The reversal of 12847232 is 23274821.

It can be written as a sum of positive squares in 2 ways, for example, as 12559936 + 287296 = 3544^2 + 536^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (29).

12847232 is a modest number, since divided by 47232 gives 128 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12847195 and 12847204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982 + ... + 5442.

Almost surely, 2^12847232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12847232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13242150).

12847232 is an abundant number, since it is smaller than the sum of its proper divisors (13637068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12847232 is an equidigital number, since it uses as much as digits as its factorization.

12847232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3492 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 12847232 is about 3584.3035585731. The cubic root of 12847232 is about 234.2087892265.

The spelling of 12847232 in words is "twelve million, eight hundred forty-seven thousand, two hundred thirty-two".