13864680 has 96 divisors (see below), whose sum is σ = 47455200. Its totient is φ = 3500928.

The previous prime is 13864679. The next prime is 13864703. The reversal of 13864680 is 8646831.

It is a happy number.

13864680 is a `hidden beast` number, since 1 + 3 + 8 + 646 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 5827 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (494325).

Almost surely, 2^13864680 is an apocalyptic number.

13864680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13864680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23727600).

13864680 is an abundant number, since it is smaller than the sum of its proper divisors (33590520).

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

13864680 is a wasteful number, since it uses less digits than its factorization.

13864680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 13864680 is about 3723.5305826594. The cubic root of 13864680 is about 240.2351861226.

The spelling of 13864680 in words is "thirteen million, eight hundred sixty-four thousand, six hundred eighty".