12812079 has 16 divisors (see below), whose sum is σ = 19923200. Its totient is φ = 7320600.

The previous prime is 12812077. The next prime is 12812087. The reversal of 12812079 is 97021821.

It is not a de Polignac number, because 12812079 - 2¹ = 12812077 is a prime.

It is a Duffinian number.

12812079 is a modest number, since divided by 2079 gives 1281 as remainder.

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 15 ways as a sum of consecutive naturals, for example, 5197 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (1245200).

Almost surely, 2^12812079 is an apocalyptic number.

12812079 is a deficient number, since it is larger than the sum of its proper divisors (7111121).

12812079 is an equidigital number, since it uses as much as digits as its factorization.

12812079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12475 (or 12461 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12812079 is about 3579.3964575051. The cubic root of 12812079 is about 233.9949776115.

The spelling of 12812079 in words is "twelve million, eight hundred twelve thousand, seventy-nine".