12785879 has 8 divisors (see below), whose sum is σ = 13713840. Its totient is φ = 11883456.

The previous prime is 12785869. The next prime is 12785933. The reversal of 12785879 is 97858721.

12785879 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 cyclic number.

It is not a de Polignac number, because 12785879 - 2⁴ = 12785863 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 (12785869) 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, 5342 + ... + 7355.

It is an arithmetic number, because the mean of its divisors is an integer number (1714230).

Almost surely, 2^12785879 is an apocalyptic number.

12785879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12785879 is a deficient number, since it is larger than the sum of its proper divisors (927961).

12785879 is a wasteful number, since it uses less digits than its factorization.

12785879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769.

The product of its digits is 282240, while the sum is 47.

The square root of 12785879 is about 3575.7347496703. The cubic root of 12785879 is about 233.8353664579.

The spelling of 12785879 in words is "twelve million, seven hundred eighty-five thousand, eight hundred seventy-nine".