13203996 has 48 divisors (see below), whose sum is σ = 33826464. Its totient is φ = 3983616.

The previous prime is 13203991. The next prime is 13204007. The reversal of 13203996 is 69930231.

13203996 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7470 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (704718).

Almost surely, 2^13203996 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 13203996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16913232).

13203996 is an abundant number, since it is smaller than the sum of its proper divisors (20622468).

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

13203996 is a wasteful number, since it uses less digits than its factorization.

13203996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1668 counting only the distinct ones).

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

The square root of 13203996 is about 3633.7303147042. The cubic root of 13203996 is about 236.3569958507.

The spelling of 13203996 in words is "thirteen million, two hundred three thousand, nine hundred ninety-six".