11271204 has 96 divisors (see below), whose sum is σ = 35400960. Its totient is φ = 3027456.

The previous prime is 11271193. The next prime is 11271223. The reversal of 11271204 is 40217211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12414 + ... + 13290.

It is an arithmetic number, because the mean of its divisors is an integer number (368760).

Almost surely, 2^11271204 is an apocalyptic number.

11271204 is a gapful number since it is divisible by the number (14) 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 11271204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17700480).

11271204 is an abundant number, since it is smaller than the sum of its proper divisors (24129756).

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

11271204 is a wasteful number, since it uses less digits than its factorization.

11271204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11271204 is about 3357.2613839259. The cubic root of 11271204 is about 224.2109248367.

Adding to 11271204 its reverse (40217211), we get a palindrome (51488415).

The spelling of 11271204 in words is "eleven million, two hundred seventy-one thousand, two hundred four".