12855807 has 16 divisors (see below), whose sum is σ = 19119360. Its totient is φ = 8537400.

The previous prime is 12855797. The next prime is 12855809. The reversal of 12855807 is 70855821.

It is not a de Polignac number, because 12855807 - 2⁷ = 12855679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12855809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7632 + ... + 9162.

It is an arithmetic number, because the mean of its divisors is an integer number (1194960).

Almost surely, 2^12855807 is an apocalyptic number.

12855807 is a deficient number, since it is larger than the sum of its proper divisors (6263553).

12855807 is a wasteful number, since it uses less digits than its factorization.

12855807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 12855807 is about 3585.4995467856. The cubic root of 12855807 is about 234.2608858884.

The spelling of 12855807 in words is "twelve million, eight hundred fifty-five thousand, eight hundred seven".