12879830 has 8 divisors (see below), whose sum is σ = 23183712. Its totient is φ = 5151928.

The previous prime is 12879827. The next prime is 12879851. The reversal of 12879830 is 3897821.

12879830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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, 643982 + ... + 644001.

It is an arithmetic number, because the mean of its divisors is an integer number (2897964).

Almost surely, 2^12879830 is an apocalyptic number.

12879830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12879830 is a deficient number, since it is larger than the sum of its proper divisors (10303882).

12879830 is a wasteful number, since it uses less digits than its factorization.

12879830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287990.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12879830 is about 3588.8480045831. The cubic root of 12879830 is about 234.4067122719.

Subtracting from 12879830 its reverse (3897821), we obtain a square (8982009 = 2997²).

The spelling of 12879830 in words is "twelve million, eight hundred seventy-nine thousand, eight hundred thirty".