13860648 has 48 divisors (see below), whose sum is σ = 37720800. Its totient is φ = 4597920.

The previous prime is 13860647. The next prime is 13860659. The reversal of 13860648 is 84606831.

It is a happy number.

13860648 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 0 + 648 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (13860641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22083 + ... + 22701.

It is an arithmetic number, because the mean of its divisors is an integer number (785850).

Almost surely, 2^13860648 is an apocalyptic number.

13860648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13860648 is an abundant number, since it is smaller than the sum of its proper divisors (23860152).

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

13860648 is a wasteful number, since it uses less digits than its factorization.

13860648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 935 counting only the distinct ones).

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

The square root of 13860648 is about 3722.9891216602. The cubic root of 13860648 is about 240.2118961950.

The spelling of 13860648 in words is "thirteen million, eight hundred sixty thousand, six hundred forty-eight".