12035309 has 8 divisors (see below), whose sum is σ = 14139552. Its totient is φ = 10099440.

The previous prime is 12035273. The next prime is 12035311. The reversal of 12035309 is 90353021.

It is a happy number.

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

It is not a de Polignac number, because 12035309 - 2¹⁶ = 11969773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12035339) 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, 41939 + ... + 42224.

It is an arithmetic number, because the mean of its divisors is an integer number (1767444).

Almost surely, 2^12035309 is an apocalyptic number.

It is an amenable number.

12035309 is a deficient number, since it is larger than the sum of its proper divisors (2104243).

12035309 is a wasteful number, since it uses less digits than its factorization.

12035309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84187.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 12035309 is about 3469.1942868626. The cubic root of 12035309 is about 229.1671770494.

The spelling of 12035309 in words is "twelve million, thirty-five thousand, three hundred nine".