12858979 has 8 divisors (see below), whose sum is σ = 14745440. Its totient is φ = 10984896.

The previous prime is 12858971. The next prime is 12858997. The reversal of 12858979 is 97985821.

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 12858979 - 2³ = 12858971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12858971) by changing a digit.

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, 744 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1843180).

Almost surely, 2^12858979 is an apocalyptic number.

12858979 is a deficient number, since it is larger than the sum of its proper divisors (1886461).

12858979 is an equidigital number, since it uses as much as digits as its factorization.

12858979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189.

The product of its digits is 362880, while the sum is 49.

The square root of 12858979 is about 3585.9418567512. The cubic root of 12858979 is about 234.2801512269.

The spelling of 12858979 in words is "twelve million, eight hundred fifty-eight thousand, nine hundred seventy-nine".