11439872 has 18 divisors (see below), whose sum is σ = 22835568. Its totient is φ = 5719808.

The previous prime is 11439863. The next prime is 11439887. The reversal of 11439872 is 27893411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22088 + ... + 22599.

Almost surely, 2^11439872 is an apocalyptic number.

It is an amenable number.

11439872 is a deficient number, since it is larger than the sum of its proper divisors (11395696).

11439872 is an frugal number, since it uses more digits than its factorization.

11439872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44703 (or 44689 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 11439872 is about 3382.2879830080. The cubic root of 11439872 is about 225.3237938922.

The spelling of 11439872 in words is "eleven million, four hundred thirty-nine thousand, eight hundred seventy-two".