12032213 has 2 divisors, whose sum is σ = 12032214. Its totient is φ = 12032212.

The previous prime is 12032203. The next prime is 12032221. The reversal of 12032213 is 31223021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 485809 = 3398^2 + 697^2 .

It is an emirp because it is prime and its reverse (31223021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12032213 - 2¹² = 12028117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12032203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016106 + 6016107.

It is an arithmetic number, because the mean of its divisors is an integer number (6016107).

Almost surely, 2^12032213 is an apocalyptic number.

It is an amenable number.

12032213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032213 is an equidigital number, since it uses as much as digits as its factorization.

12032213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12032213 is about 3468.7480450445. The cubic root of 12032213 is about 229.1475248070.

Adding to 12032213 its reverse (31223021), we get a palindrome (43255234).

The spelling of 12032213 in words is "twelve million, thirty-two thousand, two hundred thirteen".