12830838 has 32 divisors (see below), whose sum is σ = 26790912. Its totient is φ = 4092000.

The previous prime is 12830821. The next prime is 12830879. The reversal of 12830838 is 83803821.

12830838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12830799 and 12830808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18445 + ... + 19127.

It is an arithmetic number, because the mean of its divisors is an integer number (837216).

Almost surely, 2^12830838 is an apocalyptic number.

12830838 is an abundant number, since it is smaller than the sum of its proper divisors (13960074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12830838 is a wasteful number, since it uses less digits than its factorization.

12830838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 12830838 is about 3582.0159128625. The cubic root of 12830838 is about 234.1091243529.

The spelling of 12830838 in words is "twelve million, eight hundred thirty thousand, eight hundred thirty-eight".