13312211 has 8 divisors (see below), whose sum is σ = 14707200. Its totient is φ = 11948040.

The previous prime is 13312199. The next prime is 13312231. The reversal of 13312211 is 11221331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13312211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6791 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (1838400).

Almost surely, 2^13312211 is an apocalyptic number.

13312211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13312211 is a deficient number, since it is larger than the sum of its proper divisors (1394989).

13312211 is a wasteful number, since it uses less digits than its factorization.

13312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15409.

The product of its digits is 36, while the sum is 14.

The square root of 13312211 is about 3648.5902757092. The cubic root of 13312211 is about 237.0009376428. Note that the first 3 decimals are identical.

Adding to 13312211 its reverse (11221331), we get a palindrome (24533542).

The spelling of 13312211 in words is "thirteen million, three hundred twelve thousand, two hundred eleven".