12578368 has 56 divisors (see below), whose sum is σ = 28858464. Its totient is φ = 5376000.

The previous prime is 12578359. The next prime is 12578393. The reversal of 12578368 is 86387521.

It is a self number, because there is not a number n which added to its sum of digits gives 12578368.

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, 11443 + ... + 12493.

Almost surely, 2^12578368 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 12578368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14429232).

12578368 is an abundant number, since it is smaller than the sum of its proper divisors (16280096).

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

12578368 is a wasteful number, since it uses less digits than its factorization.

12578368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1081 counting only the distinct ones).

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

The square root of 12578368 is about 3546.5994981108. The cubic root of 12578368 is about 232.5634343427.

The spelling of 12578368 in words is "twelve million, five hundred seventy-eight thousand, three hundred sixty-eight".