13680455 has 8 divisors (see below), whose sum is σ = 16946304. Its totient is φ = 10591200.

The previous prime is 13680439. The next prime is 13680479. The reversal of 13680455 is 55408631.

It is a happy number.

13680455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13680455 - 2⁴ = 13680439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43976 + ... + 44285.

It is an arithmetic number, because the mean of its divisors is an integer number (2118288).

Almost surely, 2^13680455 is an apocalyptic number.

13680455 is a deficient number, since it is larger than the sum of its proper divisors (3265849).

13680455 is an equidigital number, since it uses as much as digits as its factorization.

13680455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88297.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 13680455 is about 3698.7099102255. The cubic root of 13680455 is about 239.1664078042.

The spelling of 13680455 in words is "thirteen million, six hundred eighty thousand, four hundred fifty-five".