13707216 has 30 divisors (see below), whose sum is σ = 38361570. Its totient is φ = 4569024.

The previous prime is 13707203. The next prime is 13707217. The reversal of 13707216 is 61270731.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 3594816 = 3180^2 + 1896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13707216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13707217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47451 + ... + 47738.

It is an arithmetic number, because the mean of its divisors is an integer number (1278719).

Almost surely, 2^13707216 is an apocalyptic number.

13707216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13707216 is an abundant number, since it is smaller than the sum of its proper divisors (24654354).

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

13707216 is a wasteful number, since it uses less digits than its factorization.

13707216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95203 (or 95194 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 13707216 is about 3702.3257555218. The cubic root of 13707216 is about 239.3222545562.

Adding to 13707216 its reverse (61270731), we get a palindrome (74977947).

The spelling of 13707216 in words is "thirteen million, seven hundred seven thousand, two hundred sixteen".