12859847 has 32 divisors (see below), whose sum is σ = 17902080. Its totient is φ = 8910720.

The previous prime is 12859841. The next prime is 12859853. The reversal of 12859847 is 74895821.

12859847 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12859841) and next prime (12859853).

It is not a de Polignac number, because 12859847 - 2¹² = 12855751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12859798 and 12859807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28808 + ... + 29250.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 2^12859847 is an apocalyptic number.

12859847 is a deficient number, since it is larger than the sum of its proper divisors (5042233).

12859847 is a wasteful number, since it uses less digits than its factorization.

12859847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its digits is 161280, while the sum is 44.

The square root of 12859847 is about 3586.0628828842. The cubic root of 12859847 is about 234.2854225266.

The spelling of 12859847 in words is "twelve million, eight hundred fifty-nine thousand, eight hundred forty-seven".