12340459 has 2 divisors, whose sum is σ = 12340460. Its totient is φ = 12340458.

The previous prime is 12340429. The next prime is 12340469. The reversal of 12340459 is 95404321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12340459 - 2¹⁷ = 12209387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12340409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170229 + 6170230.

It is an arithmetic number, because the mean of its divisors is an integer number (6170230).

Almost surely, 2^12340459 is an apocalyptic number.

12340459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340459 is an equidigital number, since it uses as much as digits as its factorization.

12340459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12340459 is about 3512.8989453157. The cubic root of 12340459 is about 231.0878460017.

The spelling of 12340459 in words is "twelve million, three hundred forty thousand, four hundred fifty-nine".