13968724 has 108 divisors (see below), whose sum is σ = 33962880. Its totient is φ = 4989600.

The previous prime is 13968709. The next prime is 13968727. The reversal of 13968724 is 42786931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13968727) 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 35 ways as a sum of consecutive naturals, for example, 450589 + ... + 450619.

Almost surely, 2^13968724 is an apocalyptic number.

13968724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13968724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16981440).

13968724 is an abundant number, since it is smaller than the sum of its proper divisors (19994156).

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

13968724 is a wasteful number, since it uses less digits than its factorization.

13968724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 70 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 13968724 is about 3737.4756186496. The cubic root of 13968724 is about 240.8346173416.

The spelling of 13968724 in words is "thirteen million, nine hundred sixty-eight thousand, seven hundred twenty-four".