12459479 has 2 divisors, whose sum is σ = 12459480. Its totient is φ = 12459478.

The previous prime is 12459467. The next prime is 12459481. The reversal of 12459479 is 97495421.

It is a strong prime.

It is an emirp because it is prime and its reverse (97495421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12459479 is a prime.

Together with 12459481, 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 (12459439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6229739 + 6229740.

It is an arithmetic number, because the mean of its divisors is an integer number (6229740).

Almost surely, 2^12459479 is an apocalyptic number.

12459479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12459479 is an equidigital number, since it uses as much as digits as its factorization.

12459479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 12459479 is about 3529.7987194740. The cubic root of 12459479 is about 231.8283944518.

The spelling of 12459479 in words is "twelve million, four hundred fifty-nine thousand, four hundred seventy-nine".