11923872 has 48 divisors (see below), whose sum is σ = 32387040. Its totient is φ = 3836672.

The previous prime is 11923861. The next prime is 11923889. The reversal of 11923872 is 27832911.

11923872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 643 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (674730).

Almost surely, 2^11923872 is an apocalyptic number.

11923872 is a gapful number since it is divisible by the number (12) 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 11923872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16193520).

11923872 is an abundant number, since it is smaller than the sum of its proper divisors (20463168).

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

11923872 is a wasteful number, since it uses less digits than its factorization.

11923872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4317 counting only the distinct ones).

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

The square root of 11923872 is about 3453.0960021407. The cubic root of 11923872 is about 228.4576832866.

The spelling of 11923872 in words is "eleven million, nine hundred twenty-three thousand, eight hundred seventy-two".