13102216 has 8 divisors (see below), whose sum is σ = 24566670. Its totient is φ = 6551104.

The previous prime is 13102211. The next prime is 13102217. The reversal of 13102216 is 61220131.

13102216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7001316 + 6100900 = 2646^2 + 2470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13102216² = 343336128221312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13102216.

It is not an unprimeable number, because it can be changed into a prime (13102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818881 + ... + 818896.

Almost surely, 2^13102216 is an apocalyptic number.

It is an amenable number.

13102216 is a deficient number, since it is larger than the sum of its proper divisors (11464454).

13102216 is a wasteful number, since it uses less digits than its factorization.

13102216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637783 (or 1637779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13102216 is about 3619.6983299717. The cubic root of 13102216 is about 235.7481273375.

Adding to 13102216 its reverse (61220131), we get a palindrome (74322347).

The spelling of 13102216 in words is "thirteen million, one hundred two thousand, two hundred sixteen".