13303212 has 48 divisors (see below), whose sum is σ = 34080480. Its totient is φ = 4013568.

The previous prime is 13303207. The next prime is 13303219. The reversal of 13303212 is 21230331.

It is a junction number, because it is equal to n+sod(n) for n = 13303191 and 13303200.

It is not an unprimeable number, because it can be changed into a prime (13303219) 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, 7464 + ... + 9072.

It is an arithmetic number, because the mean of its divisors is an integer number (710010).

Almost surely, 2^13303212 is an apocalyptic number.

13303212 is a gapful number since it is divisible by the number (12) 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 13303212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17040240).

13303212 is an abundant number, since it is smaller than the sum of its proper divisors (20777268).

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

13303212 is a wasteful number, since it uses less digits than its factorization.

13303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13303212 is about 3647.3568512006. The cubic root of 13303212 is about 236.9475217176.

Adding to 13303212 its reverse (21230331), we get a palindrome (34533543).

The spelling of 13303212 in words is "thirteen million, three hundred three thousand, two hundred twelve".