12012393 has 8 divisors (see below), whose sum is σ = 16056256. Its totient is φ = 7988400.

The previous prime is 12012367. The next prime is 12012433. The reversal of 12012393 is 39321021.

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 12012393 - 2⁵ = 12012361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012493) 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, 3493 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (2007032).

Almost surely, 2^12012393 is an apocalyptic number.

It is an amenable number.

12012393 is a deficient number, since it is larger than the sum of its proper divisors (4043863).

12012393 is an equidigital number, since it uses as much as digits as its factorization.

12012393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12012393 is about 3465.8899290081. The cubic root of 12012393 is about 229.0216349702.

The spelling of 12012393 in words is "twelve million, twelve thousand, three hundred ninety-three".