11972444 has 24 divisors (see below), whose sum is σ = 23079168. Its totient is φ = 5389040.

The previous prime is 11972407. The next prime is 11972459. The reversal of 11972444 is 44427911.

It is a self number, because there is not a number n which added to its sum of digits gives 11972444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (961632).

Almost surely, 2^11972444 is an apocalyptic number.

It is an amenable number.

11972444 is a deficient number, since it is larger than the sum of its proper divisors (11106724).

11972444 is a wasteful number, since it uses less digits than its factorization.

11972444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665 (or 2663 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 11972444 is about 3460.1219631684. The cubic root of 11972444 is about 228.7674711690.

The spelling of 11972444 in words is "eleven million, nine hundred seventy-two thousand, four hundred forty-four".