12049579 has 4 divisors (see below), whose sum is σ = 12056976. Its totient is φ = 12042184.

The previous prime is 12049573. The next prime is 12049601. The reversal of 12049579 is 97594021.

12049579 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 97594021 = 7 ⋅13942003.

It is a cyclic number.

It is not a de Polignac number, because 12049579 - 2³ = 12049571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12049571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64 + ... + 4909.

It is an arithmetic number, because the mean of its divisors is an integer number (3014244).

Almost surely, 2^12049579 is an apocalyptic number.

12049579 is a deficient number, since it is larger than the sum of its proper divisors (7397).

12049579 is an equidigital number, since it uses as much as digits as its factorization.

12049579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12049579 is about 3471.2503510983. The cubic root of 12049579 is about 229.2577140959.

The spelling of 12049579 in words is "twelve million, forty-nine thousand, five hundred seventy-nine".