13211133 has 8 divisors (see below), whose sum is σ = 18969888. Its totient is φ = 8129904.

The previous prime is 13211129. The next prime is 13211161. The reversal of 13211133 is 33111231.

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

It is not a de Polignac number, because 13211133 - 2² = 13211129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211113) 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, 169335 + ... + 169412.

It is an arithmetic number, because the mean of its divisors is an integer number (2371236).

Almost surely, 2^13211133 is an apocalyptic number.

13211133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13211133 is a deficient number, since it is larger than the sum of its proper divisors (5758755).

13211133 is a wasteful number, since it uses less digits than its factorization.

13211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338763.

The product of its digits is 54, while the sum is 15.

The square root of 13211133 is about 3634.7122307000. The cubic root of 13211133 is about 236.3995732655.

Adding to 13211133 its reverse (33111231), we get a palindrome (46322364).

The spelling of 13211133 in words is "thirteen million, two hundred eleven thousand, one hundred thirty-three".