13004660 has 48 divisors (see below), whose sum is σ = 30191616. Its totient is φ = 4680192.

The previous prime is 13004657. The next prime is 13004671. The reversal of 13004660 is 6640031.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6989 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (628992).

Almost surely, 2^13004660 is an apocalyptic number.

13004660 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 13004660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15095808).

13004660 is an abundant number, since it is smaller than the sum of its proper divisors (17186956).

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

13004660 is a wasteful number, since it uses less digits than its factorization.

13004660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13004660 is about 3606.1974432912. The cubic root of 13004660 is about 235.1615608507.

Adding to 13004660 its reverse (6640031), we get a palindrome (19644691).

The spelling of 13004660 in words is "thirteen million, four thousand, six hundred sixty".