11947242 has 16 divisors (see below), whose sum is σ = 24010272. Its totient is φ = 3963120.

The previous prime is 11947213. The next prime is 11947283. The reversal of 11947242 is 24274911.

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 7 ways as a sum of consecutive naturals, for example, 3453 + ... + 5984.

It is an arithmetic number, because the mean of its divisors is an integer number (1500642).

Almost surely, 2^11947242 is an apocalyptic number.

11947242 is an abundant number, since it is smaller than the sum of its proper divisors (12063030).

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

11947242 is a wasteful number, since it uses less digits than its factorization.

11947242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653.

The product of its digits is 4032, while the sum is 30.

The square root of 11947242 is about 3456.4782655182. The cubic root of 11947242 is about 228.6068398633.

The spelling of 11947242 in words is "eleven million, nine hundred forty-seven thousand, two hundred forty-two".