13923732 has 48 divisors (see below), whose sum is σ = 34493760. Its totient is φ = 4359168.

The previous prime is 13923719. The next prime is 13923737. The reversal of 13923732 is 23732931.

13923732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13923732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39268 + ... + 39620.

It is an arithmetic number, because the mean of its divisors is an integer number (718620).

Almost surely, 2^13923732 is an apocalyptic number.

13923732 is a gapful number since it is divisible by the number (12) 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 13923732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17246880).

13923732 is an abundant number, since it is smaller than the sum of its proper divisors (20570028).

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

13923732 is a wasteful number, since it uses less digits than its factorization.

13923732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 550 counting only the distinct ones).

The product of its digits is 6804, while the sum is 30.

The square root of 13923732 is about 3731.4517282152. The cubic root of 13923732 is about 240.5757703752.

It can be divided in two parts, 139 and 23732, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 13923732 in words is "thirteen million, nine hundred twenty-three thousand, seven hundred thirty-two".