13680002 has 32 divisors (see below), whose sum is σ = 25038720. Its totient is φ = 5472000.

The previous prime is 13680001. The next prime is 13680011. The reversal of 13680002 is 20008631.

It is not an unprimeable number, because it can be changed into a prime (13680001) 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 15 ways as a sum of consecutive naturals, for example, 54377 + ... + 54627.

It is an arithmetic number, because the mean of its divisors is an integer number (782460).

Almost surely, 2^13680002 is an apocalyptic number.

13680002 is a deficient number, since it is larger than the sum of its proper divisors (11358718).

13680002 is a wasteful number, since it uses less digits than its factorization.

13680002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13680002 is about 3698.6486721504. The cubic root of 13680002 is about 239.1637679412.

Adding to 13680002 its reverse (20008631), we get a palindrome (33688633).

The spelling of 13680002 in words is "thirteen million, six hundred eighty thousand, two".