12079009 has 4 divisors (see below), whose sum is σ = 12099204. Its totient is φ = 12058816.

The previous prime is 12079007. The next prime is 12079013. The reversal of 12079009 is 90097021.

12079009 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5688225 + 6390784 = 2385^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 12079009 - 2¹ = 12079007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12079007) 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, 9172 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (3024801).

Almost surely, 2^12079009 is an apocalyptic number.

It is an amenable number.

12079009 is a deficient number, since it is larger than the sum of its proper divisors (20195).

12079009 is an equidigital number, since it uses as much as digits as its factorization.

12079009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20194.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 12079009 is about 3475.4868723677. The cubic root of 12079009 is about 229.4442093791. Note that the first 3 decimals are identical.

The spelling of 12079009 in words is "twelve million, seventy-nine thousand, nine".