13221230 has 16 divisors (see below), whose sum is σ = 25961904. Its totient is φ = 4807680.

The previous prime is 13221227. The next prime is 13221233. The reversal of 13221230 is 3212231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13221227) and next prime (13221233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59987 + ... + 60206.

It is an arithmetic number, because the mean of its divisors is an integer number (1622619).

Almost surely, 2^13221230 is an apocalyptic number.

13221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221230 is a deficient number, since it is larger than the sum of its proper divisors (12740674).

13221230 is a wasteful number, since it uses less digits than its factorization.

13221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120211.

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

The square root of 13221230 is about 3636.1009336926. The cubic root of 13221230 is about 236.4597830561.

Adding to 13221230 its reverse (3212231), we get a palindrome (16433461).

It can be divided in two parts, 1322 and 1230, that added together give a palindrome (2552).

The spelling of 13221230 in words is "thirteen million, two hundred twenty-one thousand, two hundred thirty".