13680448 has 28 divisors (see below), whose sum is σ = 27614880. Its totient is φ = 6722432.

The previous prime is 13680439. The next prime is 13680479. The reversal of 13680448 is 84408631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965 + ... + 5587.

Almost surely, 2^13680448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13680448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13807440).

13680448 is an abundant number, since it is smaller than the sum of its proper divisors (13934432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13680448 is an equidigital number, since it uses as much as digits as its factorization.

13680448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 13680448 is about 3698.7089639494. The cubic root of 13680448 is about 239.1663670120.

The spelling of 13680448 in words is "thirteen million, six hundred eighty thousand, four hundred forty-eight".