12412117 has 4 divisors (see below), whose sum is σ = 12582220. Its totient is φ = 12242016.

The previous prime is 12412109. The next prime is 12412129. The reversal of 12412117 is 71121421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2337841 + 10074276 = 1529^2 + 3174^2 .

It is a cyclic number.

It is not a de Polignac number, because 12412117 - 2³ = 12412109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12412094 and 12412103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12412177) 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, 84942 + ... + 85087.

It is an arithmetic number, because the mean of its divisors is an integer number (3145555).

Almost surely, 2^12412117 is an apocalyptic number.

It is an amenable number.

12412117 is a deficient number, since it is larger than the sum of its proper divisors (170103).

12412117 is an equidigital number, since it uses as much as digits as its factorization.

12412117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170102.

The product of its digits is 112, while the sum is 19.

The square root of 12412117 is about 3523.0834506154. The cubic root of 12412117 is about 231.5342730474.

Adding to 12412117 its reverse (71121421), we get a palindrome (83533538).

The spelling of 12412117 in words is "twelve million, four hundred twelve thousand, one hundred seventeen".