13246320 has 80 divisors (see below), whose sum is σ = 41559840. Its totient is φ = 3489792.

The previous prime is 13246319. The next prime is 13246357. The reversal of 13246320 is 2364231.

It is a happy number.

13246320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22996 + ... + 23564.

It is an arithmetic number, because the mean of its divisors is an integer number (519498).

Almost surely, 2^13246320 is an apocalyptic number.

13246320 is a gapful number since it is divisible by the number (10) 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 13246320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20779920).

13246320 is an abundant number, since it is smaller than the sum of its proper divisors (28313520).

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

13246320 is a wasteful number, since it uses less digits than its factorization.

13246320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13246320 is about 3639.5494226621. The cubic root of 13246320 is about 236.6092655430.

The spelling of 13246320 in words is "thirteen million, two hundred forty-six thousand, three hundred twenty".