12810422 has 8 divisors (see below), whose sum is σ = 19291176. Its totient is φ = 6380032.

The previous prime is 12810407. The next prime is 12810433. The reversal of 12810422 is 22401821.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12810394 and 12810403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11948 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (2411397).

Almost surely, 2^12810422 is an apocalyptic number.

12810422 is a deficient number, since it is larger than the sum of its proper divisors (6480754).

12810422 is a wasteful number, since it uses less digits than its factorization.

12810422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25182.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 12810422 is about 3579.1649864179. The cubic root of 12810422 is about 233.9848895690.

The spelling of 12810422 in words is "twelve million, eight hundred ten thousand, four hundred twenty-two".