11977242 has 8 divisors (see below), whose sum is σ = 23954496. Its totient is φ = 3992412.

The previous prime is 11977193. The next prime is 11977249. The reversal of 11977242 is 24277911.

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

11977242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11977249) 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 3 ways as a sum of consecutive naturals, for example, 998098 + ... + 998109.

It is an arithmetic number, because the mean of its divisors is an integer number (2994312).

Almost surely, 2^11977242 is an apocalyptic number.

11977242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11977242 is a wasteful number, since it uses less digits than its factorization.

11977242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996212.

The product of its digits is 7056, while the sum is 33.

The square root of 11977242 is about 3460.8152218805. The cubic root of 11977242 is about 228.7980268832.

The spelling of 11977242 in words is "eleven million, nine hundred seventy-seven thousand, two hundred forty-two".