13304660 has 12 divisors (see below), whose sum is σ = 27939828. Its totient is φ = 5321856.

The previous prime is 13304653. The next prime is 13304689. The reversal of 13304660 is 6640331.

It can be written as a sum of positive squares in 2 ways, for example, as 6822544 + 6482116 = 2612^2 + 2546^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332597 + ... + 332636.

It is an arithmetic number, because the mean of its divisors is an integer number (2328319).

Almost surely, 2^13304660 is an apocalyptic number.

13304660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13304660 is an abundant number, since it is smaller than the sum of its proper divisors (14635168).

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

13304660 is a wasteful number, since it uses less digits than its factorization.

13304660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665242 (or 665240 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 13304660 is about 3647.5553457076. Note that the first 3 decimals coincide. The cubic root of 13304660 is about 236.9561183273.

Adding to 13304660 its reverse (6640331), we get a palindrome (19944991).

The spelling of 13304660 in words is "thirteen million, three hundred four thousand, six hundred sixty".