12804078 has 32 divisors (see below), whose sum is σ = 29627136. Its totient is φ = 3613248.

The previous prime is 12804061. The next prime is 12804107. The reversal of 12804078 is 87040821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (925848).

Almost surely, 2^12804078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12804078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14813568).

12804078 is an abundant number, since it is smaller than the sum of its proper divisors (16823058).

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

12804078 is a wasteful number, since it uses less digits than its factorization.

12804078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 12804078 is about 3578.2786364396. The cubic root of 12804078 is about 233.9462583867.

Adding to 12804078 its reverse (87040821), we get a palindrome (99844899).

The spelling of 12804078 in words is "twelve million, eight hundred four thousand, seventy-eight".