11983142 has 4 divisors (see below), whose sum is σ = 17974716. Its totient is φ = 5991570.

The previous prime is 11983117. The next prime is 11983157. The reversal of 11983142 is 24138911.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 2995784 + ... + 2995787.

It is an arithmetic number, because the mean of its divisors is an integer number (4493679).

Almost surely, 2^11983142 is an apocalyptic number.

11983142 is a deficient number, since it is larger than the sum of its proper divisors (5991574).

11983142 is an equidigital number, since it uses as much as digits as its factorization.

11983142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991573.

The product of its digits is 1728, while the sum is 29.

The square root of 11983142 is about 3461.6675172523. The cubic root of 11983142 is about 228.8355894196.

The spelling of 11983142 in words is "eleven million, nine hundred eighty-three thousand, one hundred forty-two".