13330656 has 120 divisors (see below), whose sum is σ = 40554360. Its totient is φ = 4292352.

The previous prime is 13330649. The next prime is 13330661. The reversal of 13330656 is 65603331.

13330656 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 0 + 656 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95835 + ... + 95973.

It is an arithmetic number, because the mean of its divisors is an integer number (337953).

Almost surely, 2^13330656 is an apocalyptic number.

13330656 is a gapful number since it is divisible by the number (16) 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 13330656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20277180).

13330656 is an abundant number, since it is smaller than the sum of its proper divisors (27223704).

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

13330656 is a wasteful number, since it uses less digits than its factorization.

13330656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 13330656 is about 3651.1170893303. The cubic root of 13330656 is about 237.1103475885.

Adding to 13330656 its reverse (65603331), we get a palindrome (78933987).

The spelling of 13330656 in words is "thirteen million, three hundred thirty thousand, six hundred fifty-six".