12047879 has 8 divisors (see below), whose sum is σ = 12283920. Its totient is φ = 11814336.

The previous prime is 12047863. The next prime is 12047909. The reversal of 12047879 is 97874021.

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

It is a cyclic number.

It is not a de Polignac number, because 12047879 - 2⁴ = 12047863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047279) 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, 11147 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (1535490).

Almost surely, 2^12047879 is an apocalyptic number.

12047879 is a deficient number, since it is larger than the sum of its proper divisors (236041).

12047879 is a wasteful number, since it uses less digits than its factorization.

12047879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12047879 is about 3471.0054739225. The cubic root of 12047879 is about 229.2469320748.

Subtracting from 12047879 its sum of digits (38), we obtain a square (12047841 = 3471²).

The spelling of 12047879 in words is "twelve million, forty-seven thousand, eight hundred seventy-nine".