12812842 has 8 divisors (see below), whose sum is σ = 21964896. Its totient is φ = 5491212.

The previous prime is 12812831. The next prime is 12812851. The reversal of 12812842 is 24821821.

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 12812842.

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, 457588 + ... + 457615.

It is an arithmetic number, because the mean of its divisors is an integer number (2745612).

Almost surely, 2^12812842 is an apocalyptic number.

12812842 is a deficient number, since it is larger than the sum of its proper divisors (9152054).

12812842 is an equidigital number, since it uses as much as digits as its factorization.

12812842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915212.

The product of its digits is 2048, while the sum is 28.

The square root of 12812842 is about 3579.5030381325. The cubic root of 12812842 is about 233.9996225674. Note that the first 3 decimals are identical.

The spelling of 12812842 in words is "twelve million, eight hundred twelve thousand, eight hundred forty-two".