13380516 has 36 divisors (see below), whose sum is σ = 34082412. Its totient is φ = 4425984.

The previous prime is 13380511. The next prime is 13380517. The reversal of 13380516 is 61508331.

It can be written as a sum of positive squares in 2 ways, for example, as 11289600 + 2090916 = 3360^2 + 1446^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13380516.

It is not an unprimeable number, because it can be changed into a prime (13380511) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3576 + ... + 6288.

Almost surely, 2^13380516 is an apocalyptic number.

It is an amenable number.

13380516 is an abundant number, since it is smaller than the sum of its proper divisors (20701896).

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

13380516 is a wasteful number, since it uses less digits than its factorization.

13380516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 13380516 is about 3657.9387638395. The cubic root of 13380516 is about 237.4055971996.

Adding to 13380516 its reverse (61508331), we get a palindrome (74888847).

The spelling of 13380516 in words is "thirteen million, three hundred eighty thousand, five hundred sixteen".