12394469 has 2 divisors, whose sum is σ = 12394470. Its totient is φ = 12394468.

The previous prime is 12394457. The next prime is 12394471. The reversal of 12394469 is 96449321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12180100 + 214369 = 3490^2 + 463^2 .

It is an emirp because it is prime and its reverse (96449321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12394469 - 2¹⁶ = 12328933 is a prime.

It is a super-2 number, since 2×12394469² = 307245723583922, which contains 22 as substring.

Together with 12394471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12394409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197234 + 6197235.

It is an arithmetic number, because the mean of its divisors is an integer number (6197235).

Almost surely, 2^12394469 is an apocalyptic number.

It is an amenable number.

12394469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12394469 is an equidigital number, since it uses as much as digits as its factorization.

12394469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 12394469 is about 3520.5779355100. The cubic root of 12394469 is about 231.4244863774.

The spelling of 12394469 in words is "twelve million, three hundred ninety-four thousand, four hundred sixty-nine".