12465993 has 4 divisors (see below), whose sum is σ = 16621328. Its totient is φ = 8310660.

The previous prime is 12465989. The next prime is 12466007. The reversal of 12465993 is 39956421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39956421 = 3 ⋅13318807.

It is not a de Polignac number, because 12465993 - 2² = 12465989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12465983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077663 + ... + 2077668.

It is an arithmetic number, because the mean of its divisors is an integer number (4155332).

Almost surely, 2^12465993 is an apocalyptic number.

It is an amenable number.

12465993 is a deficient number, since it is larger than the sum of its proper divisors (4155335).

12465993 is an equidigital number, since it uses as much as digits as its factorization.

12465993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155334.

The product of its digits is 58320, while the sum is 39.

The square root of 12465993 is about 3530.7213144059. The cubic root of 12465993 is about 231.8687885182.

The spelling of 12465993 in words is "twelve million, four hundred sixty-five thousand, nine hundred ninety-three".