13212133 has 4 divisors (see below), whose sum is σ = 14413248. Its totient is φ = 12011020.

The previous prime is 13212131. The next prime is 13212151. The reversal of 13212133 is 33121231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13212133 - 2¹ = 13212131 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 (13212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600541 + ... + 600562.

It is an arithmetic number, because the mean of its divisors is an integer number (3603312).

Almost surely, 2^13212133 is an apocalyptic number.

It is an amenable number.

13212133 is a deficient number, since it is larger than the sum of its proper divisors (1201115).

13212133 is a wasteful number, since it uses less digits than its factorization.

13212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201114.

The product of its digits is 108, while the sum is 16.

The square root of 13212133 is about 3634.8497905691. The cubic root of 13212133 is about 236.4055377705.

Adding to 13212133 its reverse (33121231), we get a palindrome (46333364).

The spelling of 13212133 in words is "thirteen million, two hundred twelve thousand, one hundred thirty-three".