11998441 has 16 divisors (see below), whose sum is σ = 14963200. Its totient is φ = 9367488.

The previous prime is 11998439. The next prime is 11998487. The reversal of 11998441 is 14489911.

It is not a de Polignac number, because 11998441 - 2¹ = 11998439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11998441.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6355 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (935200).

Almost surely, 2^11998441 is an apocalyptic number.

It is an amenable number.

11998441 is a deficient number, since it is larger than the sum of its proper divisors (2964759).

11998441 is a wasteful number, since it uses less digits than its factorization.

11998441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its digits is 10368, while the sum is 37.

The square root of 11998441 is about 3463.8765855613. The cubic root of 11998441 is about 228.9329335840.

The spelling of 11998441 in words is "eleven million, nine hundred ninety-eight thousand, four hundred forty-one".