13660768 has 36 divisors (see below), whose sum is σ = 29489292. Its totient is φ = 6177920.

The previous prime is 13660763. The next prime is 13660771. The reversal of 13660768 is 86706631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13660763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69246 + ... + 69442.

It is an arithmetic number, because the mean of its divisors is an integer number (819147).

Almost surely, 2^13660768 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 13660768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14744646).

13660768 is an abundant number, since it is smaller than the sum of its proper divisors (15828524).

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

13660768 is an equidigital number, since it uses as much as digits as its factorization.

13660768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 13660768 is about 3696.0476187409. The cubic root of 13660768 is about 239.0516277653.

The spelling of 13660768 in words is "thirteen million, six hundred sixty thousand, seven hundred sixty-eight".