13312806 has 48 divisors (see below), whose sum is σ = 30392640. Its totient is φ = 3875040.

The previous prime is 13312801. The next prime is 13312807. The reversal of 13312806 is 60821331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312801) 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 23 ways as a sum of consecutive naturals, for example, 18921 + ... + 19611.

It is an arithmetic number, because the mean of its divisors is an integer number (633180).

Almost surely, 2^13312806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13312806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15196320).

13312806 is an abundant number, since it is smaller than the sum of its proper divisors (17079834).

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

13312806 is a wasteful number, since it uses less digits than its factorization.

13312806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 728 counting only the distinct ones).

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

The square root of 13312806 is about 3648.6718131397. The cubic root of 13312806 is about 237.0044685728.

The spelling of 13312806 in words is "thirteen million, three hundred twelve thousand, eight hundred six".