12830555 has 16 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 9891168.

The previous prime is 12830551. The next prime is 12830561. The reversal of 12830555 is 55503821.

It is a cyclic number.

It is not a de Polignac number, because 12830555 - 2² = 12830551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12830551) 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, 17486 + ... + 18204.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^12830555 is an apocalyptic number.

12830555 is a deficient number, since it is larger than the sum of its proper divisors (3136165).

12830555 is an equidigital number, since it uses as much as digits as its factorization.

12830555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 12830555 is about 3581.9764097492. The cubic root of 12830555 is about 234.1074031515.

The spelling of 12830555 in words is "twelve million, eight hundred thirty thousand, five hundred fifty-five".