1226711 has 2 divisors, whose sum is σ = 1226712. Its totient is φ = 1226710.

The previous prime is 1226707. The next prime is 1226713. The reversal of 1226711 is 1176221.

It is a strong prime.

It is an emirp because it is prime and its reverse (1176221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1226711 - 2² = 1226707 is a prime.

Together with 1226713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613355 + 613356.

It is an arithmetic number, because the mean of its divisors is an integer number (613356).

2^1226711 is an apocalyptic number.

1226711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226711 is an equidigital number, since it uses as much as digits as its factorization.

1226711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 1226711 is about 1107.5698623563. The cubic root of 1226711 is about 107.0485411690.

The spelling of 1226711 in words is "one million, two hundred twenty-six thousand, seven hundred eleven".