1226856 has 64 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 368640.

The previous prime is 1226851. The next prime is 1226857. The reversal of 1226856 is 6586221.

It is not an unprimeable number, because it can be changed into a prime (1226851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12600 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2^1226856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1226856 is an abundant number, since it is smaller than the sum of its proper divisors (2160024).

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

1226856 is a wasteful number, since it uses less digits than its factorization.

1226856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 150 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1226856 is about 1107.6353190468. The cubic root of 1226856 is about 107.0527587956.

The spelling of 1226856 in words is "one million, two hundred twenty-six thousand, eight hundred fifty-six".