13680395 has 16 divisors (see below), whose sum is σ = 16873248. Its totient is φ = 10644480.

The previous prime is 13680383. The next prime is 13680397. The reversal of 13680395 is 59308631.

It is a de Polignac number, because none of the positive numbers 2^k-13680395 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13680397) 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 15 ways as a sum of consecutive naturals, for example, 32285 + ... + 32705.

It is an arithmetic number, because the mean of its divisors is an integer number (1054578).

Almost surely, 2^13680395 is an apocalyptic number.

13680395 is a deficient number, since it is larger than the sum of its proper divisors (3192853).

13680395 is an equidigital number, since it uses as much as digits as its factorization.

13680395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13680395 is about 3698.7017992804. The cubic root of 13680395 is about 239.1660581568.

The spelling of 13680395 in words is "thirteen million, six hundred eighty thousand, three hundred ninety-five".