13856424 has 16 divisors (see below), whose sum is σ = 34641120. Its totient is φ = 4618800.

The previous prime is 13856413. The next prime is 13856441. The reversal of 13856424 is 42465831.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 288652 + ... + 288699.

It is an arithmetic number, because the mean of its divisors is an integer number (2165070).

Almost surely, 2^13856424 is an apocalyptic number.

It is an amenable number.

13856424 is an abundant number, since it is smaller than the sum of its proper divisors (20784696).

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

13856424 is a wasteful number, since it uses less digits than its factorization.

13856424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577360 (or 577356 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 13856424 is about 3722.4217923282. The cubic root of 13856424 is about 240.1874923783.

The spelling of 13856424 in words is "thirteen million, eight hundred fifty-six thousand, four hundred twenty-four".