13330620 has 72 divisors (see below), whose sum is σ = 41758080. Its totient is φ = 3438720.

The previous prime is 13330579. The next prime is 13330627. The reversal of 13330620 is 2603331.

It is a happy number.

13330620 is a `hidden beast` number, since 13 + 3 + 30 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13330593 and 13330602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330627) by changing a digit.

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, 4386 + ... + 6774.

Almost surely, 2^13330620 is an apocalyptic number.

13330620 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 13330620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20879040).

13330620 is an abundant number, since it is smaller than the sum of its proper divisors (28427460).

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

13330620 is a wasteful number, since it uses less digits than its factorization.

13330620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13330620 is about 3651.1121593290. The cubic root of 13330620 is about 237.1101341462.

Adding to 13330620 its reverse (2603331), we get a palindrome (15933951).

The spelling of 13330620 in words is "thirteen million, three hundred thirty thousand, six hundred twenty".