13013660 has 48 divisors (see below), whose sum is σ = 30088800. Its totient is φ = 4688640.

The previous prime is 13013659. The next prime is 13013681. The reversal of 13013660 is 6631031.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 32582 + ... + 32978.

It is an arithmetic number, because the mean of its divisors is an integer number (626850).

Almost surely, 2^13013660 is an apocalyptic number.

13013660 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 13013660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15044400).

13013660 is an abundant number, since it is smaller than the sum of its proper divisors (17075140).

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

13013660 is a wasteful number, since it uses less digits than its factorization.

13013660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13013660 is about 3607.4450792770. The cubic root of 13013660 is about 235.2157969475.

Adding to 13013660 its reverse (6631031), we get a palindrome (19644691).

The spelling of 13013660 in words is "thirteen million, thirteen thousand, six hundred sixty".