11973242 has 4 divisors (see below), whose sum is σ = 17959866. Its totient is φ = 5986620.

The previous prime is 11973229. The next prime is 11973251. The reversal of 11973242 is 24237911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24237911 = 79 ⋅306809.

It can be written as a sum of positive squares in only one way, i.e., 9665881 + 2307361 = 3109^2 + 1519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2993309 + ... + 2993312.

Almost surely, 2^11973242 is an apocalyptic number.

11973242 is a deficient number, since it is larger than the sum of its proper divisors (5986624).

11973242 is an equidigital number, since it uses as much as digits as its factorization.

11973242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986623.

The product of its digits is 3024, while the sum is 29.

The square root of 11973242 is about 3460.2372751012. The cubic root of 11973242 is about 228.7725537399.

The spelling of 11973242 in words is "eleven million, nine hundred seventy-three thousand, two hundred forty-two".