13320234 has 32 divisors (see below), whose sum is σ = 29917440. Its totient is φ = 4392576.

The previous prime is 13320233. The next prime is 13320247. The reversal of 13320234 is 43202331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13320233) 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, 3967 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (934920).

Almost surely, 2^13320234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13320234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14958720).

13320234 is an abundant number, since it is smaller than the sum of its proper divisors (16597206).

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

13320234 is a wasteful number, since it uses less digits than its factorization.

13320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13320234 is about 3649.6895758407. The cubic root of 13320234 is about 237.0485399697.

Adding to 13320234 its reverse (43202331), we get a palindrome (56522565).

The spelling of 13320234 in words is "thirteen million, three hundred twenty thousand, two hundred thirty-four".