1226736 has 60 divisors (see below), whose sum is σ = 3926832. Its totient is φ = 350208.

The previous prime is 1226713. The next prime is 1226741. The reversal of 1226736 is 6376221.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400 + ... + 1616.

2^1226736 is an apocalyptic number.

1226736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963416).

1226736 is an abundant number, since it is smaller than the sum of its proper divisors (2700096).

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

1226736 is a wasteful number, since it uses less digits than its factorization.

1226736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1229 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1226736 is about 1107.5811482686. The cubic root of 1226736 is about 107.0492683697.

The spelling of 1226736 in words is "one million, two hundred twenty-six thousand, seven hundred thirty-six".