12409459 has 2 divisors, whose sum is σ = 12409460. Its totient is φ = 12409458.

The previous prime is 12409433. The next prime is 12409471. The reversal of 12409459 is 95490421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12409459 - 2¹¹ = 12407411 is a prime.

It is not a weakly prime, because it can be changed into another prime (12403459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6204729 + 6204730.

It is an arithmetic number, because the mean of its divisors is an integer number (6204730).

Almost surely, 2^12409459 is an apocalyptic number.

12409459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12409459 is an equidigital number, since it uses as much as digits as its factorization.

12409459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12409459 is about 3522.7062040426. The cubic root of 12409459 is about 231.5177445204.

The spelling of 12409459 in words is "twelve million, four hundred nine thousand, four hundred fifty-nine".