12812078 has 8 divisors (see below), whose sum is σ = 19394760. Its totient is φ = 6347160.

The previous prime is 12812077. The next prime is 12812087. The reversal of 12812078 is 87021821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12812078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12812071) 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, 29168 + ... + 29603.

It is an arithmetic number, because the mean of its divisors is an integer number (2424345).

Almost surely, 2^12812078 is an apocalyptic number.

12812078 is a deficient number, since it is larger than the sum of its proper divisors (6582682).

12812078 is a wasteful number, since it uses less digits than its factorization.

12812078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58882.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 12812078 is about 3579.3963178167. The cubic root of 12812078 is about 233.9949715237.

Adding to 12812078 its reverse (87021821), we get a palindrome (99833899).

The spelling of 12812078 in words is "twelve million, eight hundred twelve thousand, seventy-eight".