13680275 has 12 divisors (see below), whose sum is σ = 19387152. Its totient is φ = 9380640.

The previous prime is 13680259. The next prime is 13680299. The reversal of 13680275 is 57208631.

It is a happy number.

It is not a de Polignac number, because 13680275 - 2⁴ = 13680259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38912 + ... + 39261.

It is an arithmetic number, because the mean of its divisors is an integer number (1615596).

Almost surely, 2^13680275 is an apocalyptic number.

13680275 is a deficient number, since it is larger than the sum of its proper divisors (5706877).

13680275 is an equidigital number, since it uses as much as digits as its factorization.

13680275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78190 (or 78185 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 13680275 is about 3698.6855773369. The cubic root of 13680275 is about 239.1653588590.

The spelling of 13680275 in words is "thirteen million, six hundred eighty thousand, two hundred seventy-five".