12840076 has 12 divisors (see below), whose sum is σ = 23195200. Its totient is φ = 6212880.

The previous prime is 12840031. The next prime is 12840089. The reversal of 12840076 is 67004821.

12840076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51651 + ... + 51898.

Almost surely, 2^12840076 is an apocalyptic number.

It is an amenable number.

12840076 is a deficient number, since it is larger than the sum of its proper divisors (10355124).

12840076 is a wasteful number, since it uses less digits than its factorization.

12840076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103584 (or 103582 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12840076 is about 3583.3051781840. The cubic root of 12840076 is about 234.1652958272.

Adding to 12840076 its reverse (67004821), we get a palindrome (79844897).

It can be divided in two parts, 128 and 40076, that added together give a palindrome (40204).

The spelling of 12840076 in words is "twelve million, eight hundred forty thousand, seventy-six".