12340017 has 6 divisors (see below), whose sum is σ = 17824482. Its totient is φ = 8226672.

The previous prime is 12340007. The next prime is 12340033. The reversal of 12340017 is 71004321.

12340017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 62001 = 3504^2 + 249^2 .

It is not a de Polignac number, because 12340017 - 2⁷ = 12339889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12340007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 685548 + ... + 685565.

It is an arithmetic number, because the mean of its divisors is an integer number (2970747).

Almost surely, 2^12340017 is an apocalyptic number.

It is an amenable number.

12340017 is a deficient number, since it is larger than the sum of its proper divisors (5484465).

12340017 is a wasteful number, since it uses less digits than its factorization.

12340017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371119 (or 1371116 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12340017 is about 3512.8360337482. The cubic root of 12340017 is about 231.0850869999.

Adding to 12340017 its reverse (71004321), we get a palindrome (83344338).

The spelling of 12340017 in words is "twelve million, three hundred forty thousand, seventeen".