12238117 has 2 divisors, whose sum is σ = 12238118. Its totient is φ = 12238116.

The previous prime is 12238111. The next prime is 12238133. The reversal of 12238117 is 71183221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10074276 + 2163841 = 3174^2 + 1471^2 .

It is an emirp because it is prime and its reverse (71183221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12238117 - 2¹⁹ = 11713829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12238091 and 12238100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12238111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119058 + 6119059.

It is an arithmetic number, because the mean of its divisors is an integer number (6119059).

Almost surely, 2^12238117 is an apocalyptic number.

It is an amenable number.

12238117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12238117 is an equidigital number, since it uses as much as digits as its factorization.

12238117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 12238117 is about 3498.3020166932. The cubic root of 12238117 is about 230.4472519650.

The spelling of 12238117 in words is "twelve million, two hundred thirty-eight thousand, one hundred seventeen".