12257711 has 2 divisors, whose sum is σ = 12257712. Its totient is φ = 12257710.

The previous prime is 12257677. The next prime is 12257737. The reversal of 12257711 is 11775221.

It is an a-pointer prime, because the next prime (12257737) can be obtained adding 12257711 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12257711 - 2¹⁸ = 11995567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12257761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6128855 + 6128856.

It is an arithmetic number, because the mean of its divisors is an integer number (6128856).

Almost surely, 2^12257711 is an apocalyptic number.

12257711 is a deficient number, since it is larger than the sum of its proper divisors (1).

12257711 is an equidigital number, since it uses as much as digits as its factorization.

12257711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 980, while the sum is 26.

The square root of 12257711 is about 3501.1013981317. The cubic root of 12257711 is about 230.5701732661.

The spelling of 12257711 in words is "twelve million, two hundred fifty-seven thousand, seven hundred eleven".