12394219 has 2 divisors, whose sum is σ = 12394220. Its totient is φ = 12394218.

The previous prime is 12394211. The next prime is 12394271. The reversal of 12394219 is 91249321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12394219 - 2³ = 12394211 is a prime.

It is a super-2 number, since 2×12394219² = 307233329239922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12394211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197109 + 6197110.

It is an arithmetic number, because the mean of its divisors is an integer number (6197110).

Almost surely, 2^12394219 is an apocalyptic number.

12394219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12394219 is an equidigital number, since it uses as much as digits as its factorization.

12394219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 12394219 is about 3520.5424297969. The cubic root of 12394219 is about 231.4229304008.

The spelling of 12394219 in words is "twelve million, three hundred ninety-four thousand, two hundred nineteen".