11271904 has 24 divisors (see below), whose sum is σ = 25362288. Its totient is φ = 4830720.

The previous prime is 11271899. The next prime is 11271919. The reversal of 11271904 is 40917211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24937 + ... + 25384.

It is an arithmetic number, because the mean of its divisors is an integer number (1056762).

Almost surely, 2^11271904 is an apocalyptic number.

11271904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11271904 is an abundant number, since it is smaller than the sum of its proper divisors (14090384).

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

11271904 is an equidigital number, since it uses as much as digits as its factorization.

11271904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50338 (or 50330 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 11271904 is about 3357.3656339458. The cubic root of 11271904 is about 224.2155662929.

The spelling of 11271904 in words is "eleven million, two hundred seventy-one thousand, nine hundred four".