12704424 has 32 divisors (see below), whose sum is σ = 32538240. Its totient is φ = 4131200.

The previous prime is 12704413. The next prime is 12704453. The reversal of 12704424 is 42440721.

It is a super-2 number, since 2×12704424² = 322804778343552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12704394 and 12704403.

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 7 ways as a sum of consecutive naturals, for example, 5472 + ... + 7439.

It is an arithmetic number, because the mean of its divisors is an integer number (1016820).

Almost surely, 2^12704424 is an apocalyptic number.

It is an amenable number.

12704424 is an abundant number, since it is smaller than the sum of its proper divisors (19833816).

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

12704424 is a wasteful number, since it uses less digits than its factorization.

12704424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12961 (or 12957 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 12704424 is about 3564.3265843634. The cubic root of 12704424 is about 233.3377432273.

The spelling of 12704424 in words is "twelve million, seven hundred four thousand, four hundred twenty-four".