12847045 has 8 divisors (see below), whose sum is σ = 15497496. Its totient is φ = 10223616.

The previous prime is 12847031. The next prime is 12847057. The reversal of 12847045 is 54074821.

It can be written as a sum of positive squares in 4 ways, for example, as 159201 + 12687844 = 399^2 + 3562^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12847045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12846998 and 12847016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5692 + ... + 7621.

It is an arithmetic number, because the mean of its divisors is an integer number (1937187).

Almost surely, 2^12847045 is an apocalyptic number.

It is an amenable number.

12847045 is a deficient number, since it is larger than the sum of its proper divisors (2650451).

12847045 is a wasteful number, since it uses less digits than its factorization.

12847045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 12847045 is about 3584.2774725180. The cubic root of 12847045 is about 234.2076528661.

The spelling of 12847045 in words is "twelve million, eight hundred forty-seven thousand, forty-five".