12678448 has 20 divisors (see below), whose sum is σ = 25029648. Its totient is φ = 6219200.

The previous prime is 12678443. The next prime is 12678461. The reversal of 12678448 is 84487621.

It is a self number, because there is not a number n which added to its sum of digits gives 12678448.

It is not an unprimeable number, because it can be changed into a prime (12678443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6628 + ... + 8323.

Almost surely, 2^12678448 is an apocalyptic number.

It is an amenable number.

12678448 is a deficient number, since it is larger than the sum of its proper divisors (12351200).

12678448 is a wasteful number, since it uses less digits than its factorization.

12678448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15012 (or 15006 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 12678448 is about 3560.6808337732. The cubic root of 12678448 is about 233.1786039936.

The spelling of 12678448 in words is "twelve million, six hundred seventy-eight thousand, four hundred forty-eight".