13863344 has 40 divisors (see below), whose sum is σ = 29515968. Its totient is φ = 6255680.

The previous prime is 13863341. The next prime is 13863359. The reversal of 13863344 is 44336831.

It is a self number, because there is not a number n which added to its sum of digits gives 13863344.

It is not an unprimeable number, because it can be changed into a prime (13863341) 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 7 ways as a sum of consecutive naturals, for example, 39779 + ... + 40125.

Almost surely, 2^13863344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13863344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14757984).

13863344 is an abundant number, since it is smaller than the sum of its proper divisors (15652624).

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

13863344 is a wasteful number, since it uses less digits than its factorization.

13863344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 587 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 13863344 is about 3723.3511787098. The cubic root of 13863344 is about 240.2274695238.

The spelling of 13863344 in words is "thirteen million, eight hundred sixty-three thousand, three hundred forty-four".