11271276 has 36 divisors (see below), whose sum is σ = 28922712. Its totient is φ = 3700224.

The previous prime is 11271263. The next prime is 11271277. The reversal of 11271276 is 67217211.

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11271277) 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, 76 + ... + 4748.

Almost surely, 2^11271276 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 11271276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14461356).

11271276 is an abundant number, since it is smaller than the sum of its proper divisors (17651436).

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

11271276 is a wasteful number, since it uses less digits than its factorization.

11271276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750 (or 4745 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 11271276 is about 3357.2721069344. The cubic root of 11271276 is about 224.2114022525.

Adding to 11271276 its reverse (67217211), we get a palindrome (78488487).

The spelling of 11271276 in words is "eleven million, two hundred seventy-one thousand, two hundred seventy-six".