12242911 has 2 divisors, whose sum is σ = 12242912. Its totient is φ = 12242910.

The previous prime is 12242899. The next prime is 12242921. The reversal of 12242911 is 11924221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12242911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12242921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121455 + 6121456.

It is an arithmetic number, because the mean of its divisors is an integer number (6121456).

Almost surely, 2^12242911 is an apocalyptic number.

12242911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242911 is an equidigital number, since it uses as much as digits as its factorization.

12242911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 12242911 is about 3498.9871391590. The cubic root of 12242911 is about 230.4773388349.

The spelling of 12242911 in words is "twelve million, two hundred forty-two thousand, nine hundred eleven".