12164459 has 2 divisors, whose sum is σ = 12164460. Its totient is φ = 12164458.

The previous prime is 12164429. The next prime is 12164461. The reversal of 12164459 is 95446121.

It is a strong prime.

It is an emirp because it is prime and its reverse (95446121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12164459 - 2²⁰ = 11115883 is a prime.

Together with 12164461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12164429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082229 + 6082230.

It is an arithmetic number, because the mean of its divisors is an integer number (6082230).

Almost surely, 2^12164459 is an apocalyptic number.

12164459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164459 is an equidigital number, since it uses as much as digits as its factorization.

12164459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 12164459 is about 3487.7584492049. The cubic root of 12164459 is about 229.9839875431.

The spelling of 12164459 in words is "twelve million, one hundred sixty-four thousand, four hundred fifty-nine".