13309296 has 160 divisors (see below), whose sum is σ = 46330368. Its totient is φ = 3179520.

The previous prime is 13309277. The next prime is 13309301. The reversal of 13309296 is 69290331.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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, 47910 + ... + 48186.

Almost surely, 2^13309296 is an apocalyptic number.

13309296 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 13309296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23165184).

13309296 is an abundant number, since it is smaller than the sum of its proper divisors (33021072).

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

13309296 is a wasteful number, since it uses less digits than its factorization.

13309296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 13309296 is about 3648.1907844848. The cubic root of 13309296 is about 236.9836375323.

The spelling of 13309296 in words is "thirteen million, three hundred nine thousand, two hundred ninety-six".