13813926 has 32 divisors (see below), whose sum is σ = 32052480. Its totient is φ = 3887136.

The previous prime is 13813903. The next prime is 13813927. The reversal of 13813926 is 62931831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813927) 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 15 ways as a sum of consecutive naturals, for example, 360 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (1001640).

Almost surely, 2^13813926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13813926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16026240).

13813926 is an abundant number, since it is smaller than the sum of its proper divisors (18238554).

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

13813926 is a wasteful number, since it uses less digits than its factorization.

13813926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988.

The product of its digits is 7776, while the sum is 33.

The square root of 13813926 is about 3716.7090281592. The cubic root of 13813926 is about 239.9416872218.

The spelling of 13813926 in words is "thirteen million, eight hundred thirteen thousand, nine hundred twenty-six".