11800912 has 30 divisors (see below), whose sum is σ = 23706878. Its totient is φ = 5690496.

The previous prime is 11800889. The next prime is 11800913. The reversal of 11800912 is 21900811.

It can be written as a sum of positive squares in 3 ways, for example, as 3825936 + 7974976 = 1956^2 + 2824^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11800913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13018 + ... + 13894.

Almost surely, 2^11800912 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 11800912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11853439).

11800912 is an abundant number, since it is smaller than the sum of its proper divisors (11905966).

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

11800912 is an equidigital number, since it uses as much as digits as its factorization.

11800912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 11800912 is about 3435.2455516309. The cubic root of 11800912 is about 227.6696765823.

The spelling of 11800912 in words is "eleven million, eight hundred thousand, nine hundred twelve".