12670855 has 4 divisors (see below), whose sum is σ = 15205032. Its totient is φ = 10136680.

The previous prime is 12670849. The next prime is 12670877. The reversal of 12670855 is 55807621.

12670855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55807621 = 863 ⋅64667.

It is not a de Polignac number, because 12670855 - 2¹¹ = 12668807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12670855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267081 + ... + 1267090.

It is an arithmetic number, because the mean of its divisors is an integer number (3801258).

Almost surely, 2^12670855 is an apocalyptic number.

12670855 is a deficient number, since it is larger than the sum of its proper divisors (2534177).

12670855 is an equidigital number, since it uses as much as digits as its factorization.

12670855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534176.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 12670855 is about 3559.6144454140. The cubic root of 12670855 is about 233.1320452269.

The spelling of 12670855 in words is "twelve million, six hundred seventy thousand, eight hundred fifty-five".