12783568 has 40 divisors (see below), whose sum is σ = 28525952. Its totient is φ = 5436288.

The previous prime is 12783559. The next prime is 12783569. The reversal of 12783568 is 86538721.

It is a super-2 number, since 2×12783568² = 326839221621248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12783568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12783569) by changing a digit.

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, 17221 + ... + 17947.

Almost surely, 2^12783568 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 12783568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14262976).

12783568 is an abundant number, since it is smaller than the sum of its proper divisors (15742384).

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

12783568 is a wasteful number, since it uses less digits than its factorization.

12783568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 893 counting only the distinct ones).

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

The square root of 12783568 is about 3575.4115846990. The cubic root of 12783568 is about 233.8212773186.

The spelling of 12783568 in words is "twelve million, seven hundred eighty-three thousand, five hundred sixty-eight".