12493579 has 6 divisors (see below), whose sum is σ = 14533404. Its totient is φ = 10708740.

The previous prime is 12493573. The next prime is 12493597. The reversal of 12493579 is 97539421.

It is not a de Polignac number, because 12493579 - 2³ = 12493571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12493571) 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 5 ways as a sum of consecutive naturals, for example, 127437 + ... + 127534.

It is an arithmetic number, because the mean of its divisors is an integer number (2422234).

Almost surely, 2^12493579 is an apocalyptic number.

12493579 is a deficient number, since it is larger than the sum of its proper divisors (2039825).

12493579 is an equidigital number, since it uses as much as digits as its factorization.

12493579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254985 (or 254978 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 12493579 is about 3534.6257227605. The cubic root of 12493579 is about 232.0396966853.

The spelling of 12493579 in words is "twelve million, four hundred ninety-three thousand, five hundred seventy-nine".