13221302 has 8 divisors (see below), whose sum is σ = 20875800. Its totient is φ = 6262704.

The previous prime is 13221293. The next prime is 13221317. The reversal of 13221302 is 20312231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13221302³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173927 + ... + 174002.

It is an arithmetic number, because the mean of its divisors is an integer number (2609475).

Almost surely, 2^13221302 is an apocalyptic number.

13221302 is a deficient number, since it is larger than the sum of its proper divisors (7654498).

13221302 is a wasteful number, since it uses less digits than its factorization.

13221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347950.

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

The square root of 13221302 is about 3636.1108343944. The cubic root of 13221302 is about 236.4602122918.

Adding to 13221302 its reverse (20312231), we get a palindrome (33533533).

The spelling of 13221302 in words is "thirteen million, two hundred twenty-one thousand, three hundred two".