12340065 has 8 divisors (see below), whose sum is σ = 19744128. Its totient is φ = 6581360.

The previous prime is 12340061. The next prime is 12340091. The reversal of 12340065 is 56004321.

It is a happy number.

12340065 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12340065 - 2² = 12340061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12340061) 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, 411321 + ... + 411350.

It is an arithmetic number, because the mean of its divisors is an integer number (2468016).

Almost surely, 2^12340065 is an apocalyptic number.

12340065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12340065 is a deficient number, since it is larger than the sum of its proper divisors (7404063).

12340065 is an equidigital number, since it uses as much as digits as its factorization.

12340065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822679.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12340065 is about 3512.8428658282. The cubic root of 12340065 is about 231.0853866232.

Adding to 12340065 its reverse (56004321), we get a palindrome (68344386).

The spelling of 12340065 in words is "twelve million, three hundred forty thousand, sixty-five".