13680308 has 24 divisors (see below), whose sum is σ = 26453952. Its totient is φ = 6157184.

The previous prime is 13680301. The next prime is 13680311. The reversal of 13680308 is 80308631.

It is a super-3 number, since 3×13680308³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810 + ... + 5937.

It is an arithmetic number, because the mean of its divisors is an integer number (1102248).

Almost surely, 2^13680308 is an apocalyptic number.

It is an amenable number.

13680308 is a deficient number, since it is larger than the sum of its proper divisors (12773644).

13680308 is a wasteful number, since it uses less digits than its factorization.

13680308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791 (or 8789 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13680308 is about 3698.6900383785. The cubic root of 13680308 is about 239.1655511663.

Adding to 13680308 its reverse (80308631), we get a palindrome (93988939).

The spelling of 13680308 in words is "thirteen million, six hundred eighty thousand, three hundred eight".