13680286 has 16 divisors (see below), whose sum is σ = 21384000. Its totient is φ = 6555808.

The previous prime is 13680259. The next prime is 13680299. The reversal of 13680286 is 68208631.

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, 7851 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (1336500).

Almost surely, 2^13680286 is an apocalyptic number.

13680286 is a deficient number, since it is larger than the sum of its proper divisors (7703714).

13680286 is a wasteful number, since it uses less digits than its factorization.

13680286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 13680286 is about 3698.6870643513. The cubic root of 13680286 is about 239.1654229615.

The spelling of 13680286 in words is "thirteen million, six hundred eighty thousand, two hundred eighty-six".