12858486 has 8 divisors (see below), whose sum is σ = 25716984. Its totient is φ = 4286160.

The previous prime is 12858467. The next prime is 12858493. The reversal of 12858486 is 68485821.

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

12858486 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1071535 + ... + 1071546.

It is an arithmetic number, because the mean of its divisors is an integer number (3214623).

Almost surely, 2^12858486 is an apocalyptic number.

12858486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12858486 is a wasteful number, since it uses less digits than its factorization.

12858486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143086.

The product of its digits is 122880, while the sum is 42.

The square root of 12858486 is about 3585.8731154351. The cubic root of 12858486 is about 234.2771571688.

The spelling of 12858486 in words is "twelve million, eight hundred fifty-eight thousand, four hundred eighty-six".