13321233 has 16 divisors (see below), whose sum is σ = 20016000. Its totient is φ = 8754480.

The previous prime is 13321229. The next prime is 13321279. The reversal of 13321233 is 33212331.

It is not a de Polignac number, because 13321233 - 2² = 13321229 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13321283) 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, 1558 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (1251000).

Almost surely, 2^13321233 is an apocalyptic number.

It is an amenable number.

13321233 is a deficient number, since it is larger than the sum of its proper divisors (6694767).

13321233 is an equidigital number, since it uses as much as digits as its factorization.

13321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029 (or 7023 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 13321233 is about 3649.8264342294. The cubic root of 13321233 is about 237.0544659310.

Adding to 13321233 its reverse (33212331), we get a palindrome (46533564).

The spelling of 13321233 in words is "thirteen million, three hundred twenty-one thousand, two hundred thirty-three".