12884845 has 8 divisors (see below), whose sum is σ = 15995160. Its totient is φ = 9952320.

The previous prime is 12884819. The next prime is 12884849. The reversal of 12884845 is 54848821.

12884845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2886601 + 9998244 = 1699^2 + 3162^2 .

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

It is not a de Polignac number, because 12884845 - 2⁵ = 12884813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12884798 and 12884807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12884849) 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 7 ways as a sum of consecutive naturals, for example, 44286 + ... + 44575.

It is an arithmetic number, because the mean of its divisors is an integer number (1999395).

Almost surely, 2^12884845 is an apocalyptic number.

It is an amenable number.

12884845 is a deficient number, since it is larger than the sum of its proper divisors (3110315).

12884845 is an equidigital number, since it uses as much as digits as its factorization.

12884845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88895.

The product of its digits is 81920, while the sum is 40.

The square root of 12884845 is about 3589.5466287541. The cubic root of 12884845 is about 234.4371318536.

The spelling of 12884845 in words is "twelve million, eight hundred eighty-four thousand, eight hundred forty-five".