12830909 has 32 divisors (see below), whose sum is σ = 17122560. Its totient is φ = 9331200.

The previous prime is 12830879. The next prime is 12830911. The reversal of 12830909 is 90903821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12830909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12830959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70799 + ... + 70979.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

Almost surely, 2^12830909 is an apocalyptic number.

12830909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12830909 is a deficient number, since it is larger than the sum of its proper divisors (4291651).

12830909 is a wasteful number, since it uses less digits than its factorization.

12830909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12830909 is about 3582.0258234692. The cubic root of 12830909 is about 234.1095561697.

The spelling of 12830909 in words is "twelve million, eight hundred thirty thousand, nine hundred nine".