13859924 has 48 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 6085248.

The previous prime is 13859917. The next prime is 13859929. The reversal of 13859924 is 42995831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13859929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129479 + ... + 129585.

It is an arithmetic number, because the mean of its divisors is an integer number (571536).

Almost surely, 2^13859924 is an apocalyptic number.

It is an amenable number.

13859924 is a deficient number, since it is larger than the sum of its proper divisors (13573804).

13859924 is a wasteful number, since it uses less digits than its factorization.

13859924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 13859924 is about 3722.8918866924. The cubic root of 13859924 is about 240.2077136959.

The spelling of 13859924 in words is "thirteen million, eight hundred fifty-nine thousand, nine hundred twenty-four".