12830409 has 6 divisors (see below), whose sum is σ = 18532826. Its totient is φ = 8553600.

The previous prime is 12830369. The next prime is 12830437. The reversal of 12830409 is 90403821.

12830409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 2039184 = 3285^2 + 1428^2 .

It is not a de Polignac number, because 12830409 - 2¹⁵ = 12797641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12830449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712792 + ... + 712809.

Almost surely, 2^12830409 is an apocalyptic number.

It is an amenable number.

12830409 is a deficient number, since it is larger than the sum of its proper divisors (5702417).

12830409 is a wasteful number, since it uses less digits than its factorization.

12830409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425607 (or 1425604 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12830409 is about 3581.9560298809. The cubic root of 12830409 is about 234.1065151719.

The spelling of 12830409 in words is "twelve million, eight hundred thirty thousand, four hundred nine".