13312230 has 64 divisors (see below), whose sum is σ = 33488640. Its totient is φ = 3383424.

The previous prime is 13312199. The next prime is 13312231. The reversal of 13312230 is 3221331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312231) 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 31 ways as a sum of consecutive naturals, for example, 74281 + ... + 74459.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

Almost surely, 2^13312230 is an apocalyptic number.

13312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13312230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16744320).

13312230 is an abundant number, since it is smaller than the sum of its proper divisors (20176410).

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

13312230 is a wasteful number, since it uses less digits than its factorization.

13312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

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

The square root of 13312230 is about 3648.5928794537. The cubic root of 13312230 is about 237.0010503968.

Adding to 13312230 its reverse (3221331), we get a palindrome (16533561).

The spelling of 13312230 in words is "thirteen million, three hundred twelve thousand, two hundred thirty".