12069509 has 8 divisors (see below), whose sum is σ = 12552960. Its totient is φ = 11592000.

The previous prime is 12069487. The next prime is 12069517. The reversal of 12069509 is 90596021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12069509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12069209) 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, 2909 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (1569120).

Almost surely, 2^12069509 is an apocalyptic number.

It is an amenable number.

12069509 is a deficient number, since it is larger than the sum of its proper divisors (483451).

12069509 is a wasteful number, since it uses less digits than its factorization.

12069509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 12069509 is about 3474.1198885473. The cubic root of 12069509 is about 229.3840418692.

The spelling of 12069509 in words is "twelve million, sixty-nine thousand, five hundred nine".