12379219 has 2 divisors, whose sum is σ = 12379220. Its totient is φ = 12379218.

The previous prime is 12379207. The next prime is 12379229. The reversal of 12379219 is 91297321.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91297321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12379219 - 2¹³ = 12371027 is a prime.

It is a super-2 number, since 2×12379219² = 306490126099922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12379229) 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 as a sum of consecutive naturals, namely, 6189609 + 6189610.

It is an arithmetic number, because the mean of its divisors is an integer number (6189610).

Almost surely, 2^12379219 is an apocalyptic number.

12379219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12379219 is an equidigital number, since it uses as much as digits as its factorization.

12379219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 12379219 is about 3518.4114313139. The cubic root of 12379219 is about 231.3295334904.

The spelling of 12379219 in words is "twelve million, three hundred seventy-nine thousand, two hundred nineteen".