11973844 has 12 divisors (see below), whose sum is σ = 21042868. Its totient is φ = 5961600.

The previous prime is 11973833. The next prime is 11973851. The reversal of 11973844 is 44837911.

It can be written as a sum of positive squares in 2 ways, for example, as 10562500 + 1411344 = 3250^2 + 1188^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5247 + ... + 7174.

Almost surely, 2^11973844 is an apocalyptic number.

It is an amenable number.

11973844 is a deficient number, since it is larger than the sum of its proper divisors (9069024).

11973844 is a wasteful number, since it uses less digits than its factorization.

11973844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666 (or 12664 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 11973844 is about 3460.3242622621. The cubic root of 11973844 is about 228.7763878106.

It can be divided in two parts, 1197 and 3844, that added together give a square (5041 = 71²).

The spelling of 11973844 in words is "eleven million, nine hundred seventy-three thousand, eight hundred forty-four".