13680202 has 8 divisors (see below), whose sum is σ = 20568996. Its totient is φ = 6823872.

The previous prime is 13680187. The next prime is 13680203. The reversal of 13680202 is 20208631.

13680202 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 2 ways, for example, as 13535041 + 145161 = 3679^2 + 381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13680203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7033 + ... + 8764.

Almost surely, 2^13680202 is an apocalyptic number.

13680202 is a deficient number, since it is larger than the sum of its proper divisors (6888794).

13680202 is a wasteful number, since it uses less digits than its factorization.

13680202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16232.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 13680202 is about 3698.6757089531. The cubic root of 13680202 is about 239.1649334508.

Adding to 13680202 its reverse (20208631), we get a palindrome (33888833).

The spelling of 13680202 in words is "thirteen million, six hundred eighty thousand, two hundred two".