13288336 has 40 divisors (see below), whose sum is σ = 27014144. Its totient is φ = 6324480.

The previous prime is 13288313. The next prime is 13288343. The reversal of 13288336 is 63388231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36025 + ... + 36391.

Almost surely, 2^13288336 is an apocalyptic number.

13288336 is a gapful number since it is divisible by the number (16) 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 13288336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13507072).

13288336 is an abundant number, since it is smaller than the sum of its proper divisors (13725808).

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

13288336 is a wasteful number, since it uses less digits than its factorization.

13288336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 473 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 13288336 is about 3645.3169958181. The cubic root of 13288336 is about 236.8591684687.

The spelling of 13288336 in words is "thirteen million, two hundred eighty-eight thousand, three hundred thirty-six".