1227276 has 36 divisors (see below), whose sum is σ = 3151512. Its totient is φ = 402624.

The previous prime is 1227271. The next prime is 1227277. The reversal of 1227276 is 6727221.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1227271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2395 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (87542).

2^1227276 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 1227276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575756).

1227276 is an abundant number, since it is smaller than the sum of its proper divisors (1924236).

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

1227276 is a wasteful number, since it uses less digits than its factorization.

1227276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 545 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 1227276 is about 1107.8248959109. The cubic root of 1227276 is about 107.0649734942.

Subtracting 1227276 from its reverse (6727221), we obtain a palindrome (5499945).

The spelling of 1227276 in words is "one million, two hundred twenty-seven thousand, two hundred seventy-six".