12855513 has 8 divisors (see below), whose sum is σ = 18698976. Its totient is φ = 7791200.

The previous prime is 12855511. The next prime is 12855527. The reversal of 12855513 is 31555821.

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 12855513 - 2¹ = 12855511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12855511) 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, 194748 + ... + 194813.

It is an arithmetic number, because the mean of its divisors is an integer number (2337372).

Almost surely, 2^12855513 is an apocalyptic number.

It is an amenable number.

12855513 is a deficient number, since it is larger than the sum of its proper divisors (5843463).

12855513 is a wasteful number, since it uses less digits than its factorization.

12855513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389575.

The product of its digits is 6000, while the sum is 30.

The square root of 12855513 is about 3585.4585480800. The cubic root of 12855513 is about 234.2591001007.

The spelling of 12855513 in words is "twelve million, eight hundred fifty-five thousand, five hundred thirteen".