12879312 has 40 divisors (see below), whose sum is σ = 33435360. Its totient is φ = 4272000.

The previous prime is 12879311. The next prime is 12879313. The reversal of 12879312 is 21397821.

It is an interprime number because it is at equal distance from previous prime (12879311) and next prime (12879313).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12879311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11514 + ... + 12582.

It is an arithmetic number, because the mean of its divisors is an integer number (835884).

Almost surely, 2^12879312 is an apocalyptic number.

12879312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12879312 is an abundant number, since it is smaller than the sum of its proper divisors (20556048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12879312 is a wasteful number, since it uses less digits than its factorization.

12879312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1325 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 12879312 is about 3588.7758358527. The cubic root of 12879312 is about 234.4035697795.

The spelling of 12879312 in words is "twelve million, eight hundred seventy-nine thousand, three hundred twelve".