12212413 has 2 divisors, whose sum is σ = 12212414. Its totient is φ = 12212412.

The previous prime is 12212407. The next prime is 12212423. The reversal of 12212413 is 31421221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8421604 + 3790809 = 2902^2 + 1947^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212413 - 2¹³ = 12204221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106206 + 6106207.

It is an arithmetic number, because the mean of its divisors is an integer number (6106207).

Almost surely, 2^12212413 is an apocalyptic number.

It is an amenable number.

12212413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212413 is an equidigital number, since it uses as much as digits as its factorization.

12212413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 16.

The square root of 12212413 is about 3494.6263033406. The cubic root of 12212413 is about 230.2858009826.

Adding to 12212413 its reverse (31421221), we get a palindrome (43633634).

The spelling of 12212413 in words is "twelve million, two hundred twelve thousand, four hundred thirteen".