11989244 has 6 divisors (see below), whose sum is σ = 20981184. Its totient is φ = 5994620.

The previous prime is 11989193. The next prime is 11989253. The reversal of 11989244 is 44298911.

It is a junction number, because it is equal to n+sod(n) for n = 11989198 and 11989207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498652 + ... + 1498659.

It is an arithmetic number, because the mean of its divisors is an integer number (3496864).

Almost surely, 2^11989244 is an apocalyptic number.

It is an amenable number.

11989244 is a deficient number, since it is larger than the sum of its proper divisors (8991940).

11989244 is a wasteful number, since it uses less digits than its factorization.

11989244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997315 (or 2997313 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 11989244 is about 3462.5487722197. The cubic root of 11989244 is about 228.8744250277.

The spelling of 11989244 in words is "eleven million, nine hundred eighty-nine thousand, two hundred forty-four".