13944726 has 48 divisors (see below), whose sum is σ = 32292000. Its totient is φ = 4333824.

The previous prime is 13944713. The next prime is 13944757. The reversal of 13944726 is 62744931.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 60780 + ... + 61008.

It is an arithmetic number, because the mean of its divisors is an integer number (672750).

Almost surely, 2^13944726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13944726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16146000).

13944726 is an abundant number, since it is smaller than the sum of its proper divisors (18347274).

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

13944726 is a wasteful number, since it uses less digits than its factorization.

13944726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 450 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 13944726 is about 3734.2637828627. The cubic root of 13944726 is about 240.6966218685.

The spelling of 13944726 in words is "thirteen million, nine hundred forty-four thousand, seven hundred twenty-six".