13811336 has 48 divisors (see below), whose sum is σ = 32873040. Its totient is φ = 5379360.

The previous prime is 13811321. The next prime is 13811341. The reversal of 13811336 is 63311831.

It is a happy number.

13811336 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

13811336 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2711 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (684855).

Almost surely, 2^13811336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13811336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16436520).

13811336 is an abundant number, since it is smaller than the sum of its proper divisors (19061704).

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

13811336 is a wasteful number, since it uses less digits than its factorization.

13811336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234 (or 3223 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 13811336 is about 3716.3605853039. The cubic root of 13811336 is about 239.9266905724.

The spelling of 13811336 in words is "thirteen million, eight hundred eleven thousand, three hundred thirty-six".