12985847 has 8 divisors (see below), whose sum is σ = 14973216. Its totient is φ = 11031552.

The previous prime is 12985801. The next prime is 12985867. The reversal of 12985847 is 74858921.

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

It is not a de Polignac number, because 12985847 - 2¹² = 12981751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12985798 and 12985807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12985867) 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, 7418 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (1871652).

Almost surely, 2^12985847 is an apocalyptic number.

12985847 is a deficient number, since it is larger than the sum of its proper divisors (1987369).

12985847 is a wasteful number, since it uses less digits than its factorization.

12985847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16537.

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

The square root of 12985847 is about 3603.5880730183. The cubic root of 12985847 is about 235.0481084546.

The spelling of 12985847 in words is "twelve million, nine hundred eighty-five thousand, eight hundred forty-seven".