12879340 has 24 divisors (see below), whose sum is σ = 28470960. Its totient is φ = 4880448.

The previous prime is 12879337. The next prime is 12879389. The reversal of 12879340 is 4397821.

It is a junction number, because it is equal to n+sod(n) for n = 12879296 and 12879305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16567 + ... + 17326.

It is an arithmetic number, because the mean of its divisors is an integer number (1186290).

Almost surely, 2^12879340 is an apocalyptic number.

12879340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12879340 is an abundant number, since it is smaller than the sum of its proper divisors (15591620).

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

12879340 is a wasteful number, since it uses less digits than its factorization.

12879340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33921 (or 33919 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12879340 is about 3588.7797369022. The cubic root of 12879340 is about 234.4037396461.

The spelling of 12879340 in words is "twelve million, eight hundred seventy-nine thousand, three hundred forty".