12132213 has 8 divisors (see below), whose sum is σ = 16358400. Its totient is φ = 7997088.

The previous prime is 12132151. The next prime is 12132217. The reversal of 12132213 is 31223121.

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

It is not a de Polignac number, because 12132213 - 2⁹ = 12131701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12132192 and 12132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132217) 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, 22453 + ... + 22986.

It is an arithmetic number, because the mean of its divisors is an integer number (2044800).

Almost surely, 2^12132213 is an apocalyptic number.

It is an amenable number.

12132213 is a deficient number, since it is larger than the sum of its proper divisors (4226187).

12132213 is an equidigital number, since it uses as much as digits as its factorization.

12132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45531.

The product of its digits is 72, while the sum is 15.

The square root of 12132213 is about 3483.1326417465. The cubic root of 12132213 is about 229.7805910129.

Adding to 12132213 its reverse (31223121), we get a palindrome (43355334).

The spelling of 12132213 in words is "twelve million, one hundred thirty-two thousand, two hundred thirteen".