13704424 has 16 divisors (see below), whose sum is σ = 25870500. Its totient is φ = 6805632.

The previous prime is 13704421. The next prime is 13704433. The reversal of 13704424 is 42440731.

It can be written as a sum of positive squares in 2 ways, for example, as 13322500 + 381924 = 3650^2 + 618^2 .

It is a super-2 number, since 2×13704424² = 375622474343552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13704421) 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 3 ways as a sum of consecutive naturals, for example, 4557 + ... + 6940.

Almost surely, 2^13704424 is an apocalyptic number.

It is an amenable number.

13704424 is a deficient number, since it is larger than the sum of its proper divisors (12166076).

13704424 is a wasteful number, since it uses less digits than its factorization.

13704424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11652 (or 11648 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 13704424 is about 3701.9486760354. The cubic root of 13704424 is about 239.3060044024.

The spelling of 13704424 in words is "thirteen million, seven hundred four thousand, four hundred twenty-four".