13341216 has 48 divisors (see below), whose sum is σ = 40025664. Its totient is φ = 3811584.

The previous prime is 13341199. The next prime is 13341217. The reversal of 13341216 is 61214331.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13341192 and 13341201.

It is not an unprimeable number, because it can be changed into a prime (13341217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9255 + ... + 10598.

It is an arithmetic number, because the mean of its divisors is an integer number (833868).

Almost surely, 2^13341216 is an apocalyptic number.

13341216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13341216 is an abundant number, since it is smaller than the sum of its proper divisors (26684448).

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

13341216 is a wasteful number, since it uses less digits than its factorization.

13341216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873 (or 19865 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 13341216 is about 3652.5629358027. The cubic root of 13341216 is about 237.1729407673.

Subtracting from 13341216 its sum of digits (21), we obtain a triangular number (13341195 = T₅₁₆₅).

Adding to 13341216 its reverse (61214331), we get a palindrome (74555547).

The spelling of 13341216 in words is "thirteen million, three hundred forty-one thousand, two hundred sixteen".