13680067 has 4 divisors (see below), whose sum is σ = 13872816. Its totient is φ = 13487320.

The previous prime is 13680061. The next prime is 13680077. The reversal of 13680067 is 76008631.

13680067 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76008631 = 2549 ⋅29819.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13680067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13680061) 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 3 ways as a sum of consecutive naturals, for example, 96268 + ... + 96409.

It is an arithmetic number, because the mean of its divisors is an integer number (3468204).

Almost surely, 2^13680067 is an apocalyptic number.

13680067 is a deficient number, since it is larger than the sum of its proper divisors (192749).

13680067 is an equidigital number, since it uses as much as digits as its factorization.

13680067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192748.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 13680067 is about 3698.6574591330. The cubic root of 13680067 is about 239.1641467331.

Adding to 13680067 its reverse (76008631), we get a palindrome (89688698).

The spelling of 13680067 in words is "thirteen million, six hundred eighty thousand, sixty-seven".