11998544 has 10 divisors (see below), whose sum is σ = 23247210. Its totient is φ = 5999264.

The previous prime is 11998541. The next prime is 11998577. The reversal of 11998544 is 44589911.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 976144 = 3320^2 + 988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998541) 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 as a sum of consecutive naturals, namely, 374939 + ... + 374970.

It is an arithmetic number, because the mean of its divisors is an integer number (2324721).

Almost surely, 2^11998544 is an apocalyptic number.

It is an amenable number.

11998544 is a deficient number, since it is larger than the sum of its proper divisors (11248666).

11998544 is an equidigital number, since it uses as much as digits as its factorization.

11998544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749917 (or 749911 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 11998544 is about 3463.8914532647. The cubic root of 11998544 is about 228.9335886698.

The spelling of 11998544 in words is "eleven million, nine hundred ninety-eight thousand, five hundred forty-four".