11944549 has 8 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 11474736.

The previous prime is 11944531. The next prime is 11944561. The reversal of 11944549 is 94544911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11944549 - 2¹¹ = 11942501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11944519) 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 7 ways as a sum of consecutive naturals, for example, 5544 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 2^11944549 is an apocalyptic number.

It is an amenable number.

11944549 is a deficient number, since it is larger than the sum of its proper divisors (474011).

11944549 is a wasteful number, since it uses less digits than its factorization.

11944549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its digits is 25920, while the sum is 37.

The square root of 11944549 is about 3456.0886852047. The cubic root of 11944549 is about 228.5896619941.

The spelling of 11944549 in words is "eleven million, nine hundred forty-four thousand, five hundred forty-nine".