13819734 has 40 divisors (see below), whose sum is σ = 32321520. Its totient is φ = 4405104.

The previous prime is 13819723. The next prime is 13819753. The reversal of 13819734 is 43791831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1872 + ... + 5580.

It is an arithmetic number, because the mean of its divisors is an integer number (808038).

Almost surely, 2^13819734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13819734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16160760).

13819734 is an abundant number, since it is smaller than the sum of its proper divisors (18501786).

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

13819734 is a wasteful number, since it uses less digits than its factorization.

13819734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3737 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 13819734 is about 3717.4902824352. The cubic root of 13819734 is about 239.9753099601.

The spelling of 13819734 in words is "thirteen million, eight hundred nineteen thousand, seven hundred thirty-four".