13955816 has 16 divisors (see below), whose sum is σ = 29905440. Its totient is φ = 5981040.

The previous prime is 13955813. The next prime is 13955857. The reversal of 13955816 is 61855931.

It is a self number, because there is not a number n which added to its sum of digits gives 13955816.

It is not an unprimeable number, because it can be changed into a prime (13955813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124550 + ... + 124661.

It is an arithmetic number, because the mean of its divisors is an integer number (1869090).

Almost surely, 2^13955816 is an apocalyptic number.

It is an amenable number.

13955816 is an abundant number, since it is smaller than the sum of its proper divisors (15949624).

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

13955816 is a wasteful number, since it uses less digits than its factorization.

13955816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249224 (or 249220 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 13955816 is about 3735.7483855313. The cubic root of 13955816 is about 240.7604122513.

It can be divided in two parts, 139 and 55816, that added together give a palindrome (55955).

The spelling of 13955816 in words is "thirteen million, nine hundred fifty-five thousand, eight hundred sixteen".