12242651 has 2 divisors, whose sum is σ = 12242652. Its totient is φ = 12242650.

The previous prime is 12242623. The next prime is 12242653. The reversal of 12242651 is 15624221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15624221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12242651 - 2¹⁴ = 12226267 is a prime.

It is a Sophie Germain prime.

Together with 12242653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12242653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121325 + 6121326.

It is an arithmetic number, because the mean of its divisors is an integer number (6121326).

Almost surely, 2^12242651 is an apocalyptic number.

12242651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242651 is an equidigital number, since it uses as much as digits as its factorization.

12242651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 12242651 is about 3498.9499853527. The cubic root of 12242651 is about 230.4757072913.

Adding to 12242651 its reverse (15624221), we get a palindrome (27866872).

The spelling of 12242651 in words is "twelve million, two hundred forty-two thousand, six hundred fifty-one".