12778096 has 20 divisors (see below), whose sum is σ = 25612200. Its totient is φ = 6168512.

The previous prime is 12778093. The next prime is 12778109. The reversal of 12778096 is 69087721.

12778096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12778093) 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, 13306 + ... + 14233.

It is an arithmetic number, because the mean of its divisors is an integer number (1280610).

Almost surely, 2^12778096 is an apocalyptic number.

12778096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12778096 is an abundant number, since it is smaller than the sum of its proper divisors (12834104).

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

12778096 is a wasteful number, since it uses less digits than its factorization.

12778096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27576 (or 27570 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12778096 is about 3574.6462762069. The cubic root of 12778096 is about 233.7879101962.

The spelling of 12778096 in words is "twelve million, seven hundred seventy-eight thousand, ninety-six".