12704824 has 32 divisors (see below), whose sum is σ = 26438400. Its totient is φ = 5674720.

The previous prime is 12704821. The next prime is 12704827. The reversal of 12704824 is 42840721.

It is an interprime number because it is at equal distance from previous prime (12704821) and next prime (12704827).

It is a super-2 number, since 2×12704824² = 322825105741952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12704792 and 12704801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704821) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3969 + ... + 6415.

It is an arithmetic number, because the mean of its divisors is an integer number (826200).

Almost surely, 2^12704824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12704824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13219200).

12704824 is an abundant number, since it is smaller than the sum of its proper divisors (13733576).

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

12704824 is a wasteful number, since it uses less digits than its factorization.

12704824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 12704824 is about 3564.3826955028. The cubic root of 12704824 is about 233.3401920886.

The spelling of 12704824 in words is "twelve million, seven hundred four thousand, eight hundred twenty-four".