12066409 has 8 divisors (see below), whose sum is σ = 12573440. Its totient is φ = 11566800.

The previous prime is 12066377. The next prime is 12066419. The reversal of 12066409 is 90466021.

12066409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12066409 - 2⁵ = 12066377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12066419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (1571680).

Almost surely, 2^12066409 is an apocalyptic number.

It is an amenable number.

12066409 is a deficient number, since it is larger than the sum of its proper divisors (507031).

12066409 is a wasteful number, since it uses less digits than its factorization.

12066409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12066409 is about 3473.6737037321. The cubic root of 12066409 is about 229.3644014288.

The spelling of 12066409 in words is "twelve million, sixty-six thousand, four hundred nine".