1227716 has 24 divisors (see below), whose sum is σ = 2479680. Its totient is φ = 520992.

The previous prime is 1227713. The next prime is 1227719. The reversal of 1227716 is 6177221.

It is an interprime number because it is at equal distance from previous prime (1227713) and next prime (1227719).

It is not an unprimeable number, because it can be changed into a prime (1227713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4430 + ... + 4698.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1227716 is an apocalyptic number.

It is an amenable number.

1227716 is an abundant number, since it is smaller than the sum of its proper divisors (1251964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227716 is a wasteful number, since it uses less digits than its factorization.

1227716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 441 counting only the distinct ones).

The product of its digits is 1176, while the sum is 26.

The square root of 1227716 is about 1108.0234654555. The cubic root of 1227716 is about 107.0777668566.

The spelling of 1227716 in words is "one million, two hundred twenty-seven thousand, seven hundred sixteen".