11923072 has 48 divisors (see below), whose sum is σ = 27645570. Its totient is φ = 5107200.

The previous prime is 11923057. The next prime is 11923081. The reversal of 11923072 is 27032911.

11923072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 254016 = 3416^2 + 504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5322 + ... + 7222.

Almost surely, 2^11923072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11923072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13822785).

11923072 is an abundant number, since it is smaller than the sum of its proper divisors (15722498).

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

11923072 is an equidigital number, since it uses as much as digits as its factorization.

11923072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 11923072 is about 3452.9801621208. The cubic root of 11923072 is about 228.4525739219.

Adding to 11923072 its reverse (27032911), we get a palindrome (38955983).

The spelling of 11923072 in words is "eleven million, nine hundred twenty-three thousand, seventy-two".