13273316 has 36 divisors (see below), whose sum is σ = 27229356. Its totient is φ = 5644800.

The previous prime is 13273297. The next prime is 13273333. The reversal of 13273316 is 61337231.

It can be written as a sum of positive squares in 2 ways, for example, as 9486400 + 3786916 = 3080^2 + 1946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47096 + ... + 47376.

It is an arithmetic number, because the mean of its divisors is an integer number (756371).

Almost surely, 2^13273316 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 13273316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13614678).

13273316 is an abundant number, since it is smaller than the sum of its proper divisors (13956040).

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

13273316 is a wasteful number, since it uses less digits than its factorization.

13273316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 531 counting only the distinct ones).

The product of its digits is 2268, while the sum is 26.

The square root of 13273316 is about 3643.2562358418. The cubic root of 13273316 is about 236.7698930329.

The spelling of 13273316 in words is "thirteen million, two hundred seventy-three thousand, three hundred sixteen".