12830855 has 4 divisors (see below), whose sum is σ = 15397032. Its totient is φ = 10264680.

The previous prime is 12830821. The next prime is 12830879. The reversal of 12830855 is 55803821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12830855 - 2⁶ = 12830791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283081 + ... + 1283090.

It is an arithmetic number, because the mean of its divisors is an integer number (3849258).

Almost surely, 2^12830855 is an apocalyptic number.

12830855 is a deficient number, since it is larger than the sum of its proper divisors (2566177).

12830855 is an equidigital number, since it uses as much as digits as its factorization.

12830855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566176.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 12830855 is about 3582.0182858271. The cubic root of 12830855 is about 234.1092277458.

The spelling of 12830855 in words is "twelve million, eight hundred thirty thousand, eight hundred fifty-five".