11239872 has 56 divisors (see below), whose sum is σ = 33991296. Its totient is φ = 3211008.

The previous prime is 11239867. The next prime is 11239903. The reversal of 11239872 is 27893211.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838 + ... + 5525.

Almost surely, 2^11239872 is an apocalyptic number.

11239872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11239872 is an abundant number, since it is smaller than the sum of its proper divisors (22751424).

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

11239872 is an equidigital number, since it uses as much as digits as its factorization.

11239872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385 (or 8375 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 11239872 is about 3352.5918331941. The cubic root of 11239872 is about 224.0029761509.

The spelling of 11239872 in words is "eleven million, two hundred thirty-nine thousand, eight hundred seventy-two".