13220333 has 8 divisors (see below), whose sum is σ = 15904320. Its totient is φ = 10735200.

The previous prime is 13220329. The next prime is 13220351. The reversal of 13220333 is 33302231.

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

It is not a de Polignac number, because 13220333 - 2² = 13220329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220533) 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, 49568 + ... + 49833.

It is an arithmetic number, because the mean of its divisors is an integer number (1988040).

Almost surely, 2^13220333 is an apocalyptic number.

It is an amenable number.

13220333 is a deficient number, since it is larger than the sum of its proper divisors (2683987).

13220333 is an equidigital number, since it uses as much as digits as its factorization.

13220333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99427.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 13220333 is about 3635.9775851894. The cubic root of 13220333 is about 236.4544353635.

Adding to 13220333 its reverse (33302231), we get a palindrome (46522564).

The spelling of 13220333 in words is "thirteen million, two hundred twenty thousand, three hundred thirty-three".