11990144 has 32 divisors (see below), whose sum is σ = 24043440. Its totient is φ = 5955840.

The previous prime is 11990141. The next prime is 11990171. The reversal of 11990144 is 44109911.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (11990141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36059 + ... + 36389.

Almost surely, 2^11990144 is an apocalyptic number.

It is an amenable number.

11990144 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

11990144 is an equidigital number, since it uses as much as digits as its factorization.

11990144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11990144 is about 3462.6787318491. The cubic root of 11990144 is about 228.8801518783.

The spelling of 11990144 in words is "eleven million, nine hundred ninety thousand, one hundred forty-four".