11923776 has 84 divisors (see below), whose sum is σ = 34657792. Its totient is φ = 3919104.

The previous prime is 11923763. The next prime is 11923787. The reversal of 11923776 is 67732911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11923776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73071 + ... + 73233.

Almost surely, 2^11923776 is an apocalyptic number.

11923776 is a gapful number since it is divisible by the number (16) 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 11923776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17328896).

11923776 is an abundant number, since it is smaller than the sum of its proper divisors (22734016).

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

11923776 is a wasteful number, since it uses less digits than its factorization.

11923776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 295 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 11923776 is about 3453.0821015435. The cubic root of 11923776 is about 228.4570701749.

The spelling of 11923776 in words is "eleven million, nine hundred twenty-three thousand, seven hundred seventy-six".