1227836 has 12 divisors (see below), whose sum is σ = 2166528. Its totient is φ = 608832.

The previous prime is 1227833. The next prime is 1227841. The reversal of 1227836 is 6387221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1227799 and 1227808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227833) 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 3 ways as a sum of consecutive naturals, for example, 701 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (180544).

2^1227836 is an apocalyptic number.

It is an amenable number.

1227836 is a deficient number, since it is larger than the sum of its proper divisors (938692).

1227836 is a wasteful number, since it uses less digits than its factorization.

1227836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2546 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 1227836 is about 1108.0776146101. The cubic root of 1227836 is about 107.0812554249.

The spelling of 1227836 in words is "one million, two hundred twenty-seven thousand, eight hundred thirty-six".