11891752 has 16 divisors (see below), whose sum is σ = 22772160. Its totient is φ = 5819184.

The previous prime is 11891723. The next prime is 11891771. The reversal of 11891752 is 25719811.

It is a happy number.

It is an unprimeable number.

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, 15438 + ... + 16189.

It is an arithmetic number, because the mean of its divisors is an integer number (1423260).

Almost surely, 2^11891752 is an apocalyptic number.

It is an amenable number.

11891752 is a deficient number, since it is larger than the sum of its proper divisors (10880408).

11891752 is a wasteful number, since it uses less digits than its factorization.

11891752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31680 (or 31676 counting only the distinct ones).

The product of its digits is 5040, while the sum is 34.

The square root of 11891752 is about 3448.4419670338. The cubic root of 11891752 is about 228.2523624075.

The spelling of 11891752 in words is "eleven million, eight hundred ninety-one thousand, seven hundred fifty-two".