13680485 has 32 divisors (see below), whose sum is σ = 20466432. Its totient is φ = 8547840.

The previous prime is 13680479. The next prime is 13680539. The reversal of 13680485 is 58408631.

It is not a de Polignac number, because 13680485 - 2¹⁸ = 13418341 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48545 + ... + 48825.

It is an arithmetic number, because the mean of its divisors is an integer number (639576).

Almost surely, 2^13680485 is an apocalyptic number.

It is an amenable number.

13680485 is a deficient number, since it is larger than the sum of its proper divisors (6785947).

13680485 is a wasteful number, since it uses less digits than its factorization.

13680485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 13680485 is about 3698.7139656913. The cubic root of 13680485 is about 239.1665826275.

The spelling of 13680485 in words is "thirteen million, six hundred eighty thousand, four hundred eighty-five".