1226836 has 12 divisors (see below), whose sum is σ = 2312212. Its totient is φ = 566208.

The previous prime is 1226831. The next prime is 1226851. The reversal of 1226836 is 6386221.

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 1089936 = 370^2 + 1044^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11745 + ... + 11848.

2^1226836 is an apocalyptic number.

It is an amenable number.

1226836 is a deficient number, since it is larger than the sum of its proper divisors (1085376).

1226836 is a wasteful number, since it uses less digits than its factorization.

1226836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23610 (or 23608 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 1226836 is about 1107.6262907678. The cubic root of 1226836 is about 107.0521770738.

The spelling of 1226836 in words is "one million, two hundred twenty-six thousand, eight hundred thirty-six".