12758944 has 48 divisors (see below), whose sum is σ = 27863136. Its totient is φ = 5702400.

The previous prime is 12758929. The next prime is 12758957. The reversal of 12758944 is 44985721.

It is a junction number, because it is equal to n+sod(n) for n = 12758897 and 12758906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23314 + ... + 23854.

It is an arithmetic number, because the mean of its divisors is an integer number (580482).

Almost surely, 2^12758944 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 12758944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13931568).

12758944 is an abundant number, since it is smaller than the sum of its proper divisors (15104192).

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

12758944 is a wasteful number, since it uses less digits than its factorization.

12758944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 621 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 12758944 is about 3571.9664052172. The cubic root of 12758944 is about 233.6710501960.

The spelling of 12758944 in words is "twelve million, seven hundred fifty-eight thousand, nine hundred forty-four".