12309393 has 8 divisors (see below), whose sum is σ = 17126208. Its totient is φ = 7849424.

The previous prime is 12309391. The next prime is 12309413. The reversal of 12309393 is 39390321.

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 12309393 - 2¹ = 12309391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12309393.

It is not an unprimeable number, because it can be changed into a prime (12309391) 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, 89130 + ... + 89267.

It is an arithmetic number, because the mean of its divisors is an integer number (2140776).

Almost surely, 2^12309393 is an apocalyptic number.

It is an amenable number.

12309393 is a deficient number, since it is larger than the sum of its proper divisors (4816815).

12309393 is a wasteful number, since it uses less digits than its factorization.

12309393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178423.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 12309393 is about 3508.4744548023. The cubic root of 12309393 is about 230.8937687365.

The spelling of 12309393 in words is "twelve million, three hundred nine thousand, three hundred ninety-three".