13863224 has 8 divisors (see below), whose sum is σ = 25993560. Its totient is φ = 6931608.

The previous prime is 13863221. The next prime is 13863233. The reversal of 13863224 is 42236831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13863221) 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 as a sum of consecutive naturals, namely, 866444 + ... + 866459.

It is an arithmetic number, because the mean of its divisors is an integer number (3249195).

Almost surely, 2^13863224 is an apocalyptic number.

It is an amenable number.

13863224 is a deficient number, since it is larger than the sum of its proper divisors (12130336).

13863224 is a wasteful number, since it uses less digits than its factorization.

13863224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732909 (or 1732905 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 13863224 is about 3723.3350641595. The cubic root of 13863224 is about 240.2267763919.

The spelling of 13863224 in words is "thirteen million, eight hundred sixty-three thousand, two hundred twenty-four".