12982830 has 64 divisors (see below), whose sum is σ = 35900928. Its totient is φ = 2943360.

The previous prime is 12982793. The next prime is 12982859. The reversal of 12982830 is 3828921.

It is a junction number, because it is equal to n+sod(n) for n = 12982791 and 12982800.

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 31 ways as a sum of consecutive naturals, for example, 44164 + ... + 44456.

It is an arithmetic number, because the mean of its divisors is an integer number (560952).

Almost surely, 2^12982830 is an apocalyptic number.

12982830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12982830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17950464).

12982830 is an abundant number, since it is smaller than the sum of its proper divisors (22918098).

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

12982830 is a wasteful number, since it uses less digits than its factorization.

12982830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12982830 is about 3603.1694381475. The cubic root of 12982830 is about 235.0299041468.

The spelling of 12982830 in words is "twelve million, nine hundred eighty-two thousand, eight hundred thirty".