12247811 has 2 divisors, whose sum is σ = 12247812. Its totient is φ = 12247810.

The previous prime is 12247787. The next prime is 12247813. The reversal of 12247811 is 11874221.

12247811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12247811 - 2⁶ = 12247747 is a prime.

Together with 12247813, 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 (12247813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123905 + 6123906.

It is an arithmetic number, because the mean of its divisors is an integer number (6123906).

Almost surely, 2^12247811 is an apocalyptic number.

12247811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12247811 is an equidigital number, since it uses as much as digits as its factorization.

12247811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 26.

The square root of 12247811 is about 3499.6872717430. The cubic root of 12247811 is about 230.5080828393.

The spelling of 12247811 in words is "twelve million, two hundred forty-seven thousand, eight hundred eleven".