12873279 has 16 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 8096256.

The previous prime is 12873271. The next prime is 12873319. The reversal of 12873279 is 97237821.

It is not a de Polignac number, because 12873279 - 2³ = 12873271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873271) 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, 25342 + ... + 25844.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^12873279 is an apocalyptic number.

12873279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12873279 is a deficient number, since it is larger than the sum of its proper divisors (5270721).

12873279 is a wasteful number, since it uses less digits than its factorization.

12873279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its digits is 42336, while the sum is 39.

The square root of 12873279 is about 3587.9352000837. The cubic root of 12873279 is about 234.3669638489.

The spelling of 12873279 in words is "twelve million, eight hundred seventy-three thousand, two hundred seventy-nine".