12841830 has 48 divisors (see below), whose sum is σ = 33755904. Its totient is φ = 3386880.

The previous prime is 12841813. The next prime is 12841861. The reversal of 12841830 is 3814821.

It is a super-3 number, since 3×12841830³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12841794 and 12841803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7995 + ... + 9465.

It is an arithmetic number, because the mean of its divisors is an integer number (703248).

Almost surely, 2^12841830 is an apocalyptic number.

12841830 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 12841830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16877952).

12841830 is an abundant number, since it is smaller than the sum of its proper divisors (20914074).

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

12841830 is a wasteful number, since it uses less digits than its factorization.

12841830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12841830 is about 3583.5499159353. The cubic root of 12841830 is about 234.1759579455.

The spelling of 12841830 in words is "twelve million, eight hundred forty-one thousand, eight hundred thirty".