13223210 has 64 divisors (see below), whose sum is σ = 31981824. Its totient is φ = 3801600.

The previous prime is 13223201. The next prime is 13223213. The reversal of 13223210 is 1232231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13223213) 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, 9350 + ... + 10670.

It is an arithmetic number, because the mean of its divisors is an integer number (499716).

Almost surely, 2^13223210 is an apocalyptic number.

13223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13223210 is an abundant number, since it is smaller than the sum of its proper divisors (18758614).

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

13223210 is a wasteful number, since it uses less digits than its factorization.

13223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13223210 is about 3636.3731931693. The cubic root of 13223210 is about 236.4715864713.

Adding to 13223210 its reverse (1232231), we get a palindrome (14455441).

The spelling of 13223210 in words is "thirteen million, two hundred twenty-three thousand, two hundred ten".