12340579 has 4 divisors (see below), whose sum is σ = 12350800. Its totient is φ = 12330360.

The previous prime is 12340571. The next prime is 12340591. The reversal of 12340579 is 97504321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12340579 - 2³ = 12340571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12340579.

It is not an unprimeable number, because it can be changed into a prime (12340571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (3087700).

Almost surely, 2^12340579 is an apocalyptic number.

12340579 is a deficient number, since it is larger than the sum of its proper divisors (10221).

12340579 is an equidigital number, since it uses as much as digits as its factorization.

12340579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10220.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12340579 is about 3512.9160251848. The cubic root of 12340579 is about 231.0885950406.

The spelling of 12340579 in words is "twelve million, three hundred forty thousand, five hundred seventy-nine".