13230312 has 64 divisors (see below), whose sum is σ = 34801920. Its totient is φ = 4186368.

The previous prime is 13230307. The next prime is 13230341. The reversal of 13230312 is 21303231.

It is a junction number, because it is equal to n+sod(n) for n = 13230291 and 13230300.

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 15 ways as a sum of consecutive naturals, for example, 41578 + ... + 41894.

It is an arithmetic number, because the mean of its divisors is an integer number (543780).

Almost surely, 2^13230312 is an apocalyptic number.

13230312 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 13230312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17400960).

13230312 is an abundant number, since it is smaller than the sum of its proper divisors (21571608).

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

13230312 is a wasteful number, since it uses less digits than its factorization.

13230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 406 counting only the distinct ones).

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

The square root of 13230312 is about 3637.3495845189. The cubic root of 13230312 is about 236.5139140814.

Adding to 13230312 its reverse (21303231), we get a palindrome (34533543).

The spelling of 13230312 in words is "thirteen million, two hundred thirty thousand, three hundred twelve".