13280316 has 96 divisors (see below), whose sum is σ = 38223360. Its totient is φ = 3504384.

The previous prime is 13280303. The next prime is 13280317. The reversal of 13280316 is 61308231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280317) 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 31 ways as a sum of consecutive naturals, for example, 84510 + ... + 84666.

It is an arithmetic number, because the mean of its divisors is an integer number (398160).

Almost surely, 2^13280316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13280316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19111680).

13280316 is an abundant number, since it is smaller than the sum of its proper divisors (24943044).

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

13280316 is a wasteful number, since it uses less digits than its factorization.

13280316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13280316 is about 3644.2167882825. The cubic root of 13280316 is about 236.8115078030.

Adding to 13280316 its reverse (61308231), we get a palindrome (74588547).

The spelling of 13280316 in words is "thirteen million, two hundred eighty thousand, three hundred sixteen".