13811016 has 32 divisors (see below), whose sum is σ = 35004960. Its totient is φ = 4540032.

The previous prime is 13810999. The next prime is 13811023. The reversal of 13811016 is 61011831.

13811016 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13810983 and 13811001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190 + ... + 5693.

It is an arithmetic number, because the mean of its divisors is an integer number (1093905).

Almost surely, 2^13811016 is an apocalyptic number.

It is an amenable number.

13811016 is an abundant number, since it is smaller than the sum of its proper divisors (21193944).

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

13811016 is a wasteful number, since it uses less digits than its factorization.

13811016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965 (or 7961 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 13811016 is about 3716.3175321816. The cubic root of 13811016 is about 239.9248375744.

Adding to 13811016 its reverse (61011831), we get a palindrome (74822847).

The spelling of 13811016 in words is "thirteen million, eight hundred eleven thousand, sixteen".