12242047 has 2 divisors, whose sum is σ = 12242048. Its totient is φ = 12242046.

The previous prime is 12242017. The next prime is 12242059. The reversal of 12242047 is 74024221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74024221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12242047 - 2¹¹ = 12239999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12242017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121023 + 6121024.

It is an arithmetic number, because the mean of its divisors is an integer number (6121024).

Almost surely, 2^12242047 is an apocalyptic number.

12242047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242047 is an equidigital number, since it uses as much as digits as its factorization.

12242047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 12242047 is about 3498.8636726800. The cubic root of 12242047 is about 230.4719170006.

Adding to 12242047 its reverse (74024221), we get a palindrome (86266268).

The spelling of 12242047 in words is "twelve million, two hundred forty-two thousand, forty-seven".