11986142 has 8 divisors (see below), whose sum is σ = 20547696. Its totient is φ = 5136912.

The previous prime is 11986127. The next prime is 11986147. The reversal of 11986142 is 24168911.

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

It is a junction number, because it is equal to n+sod(n) for n = 11986099 and 11986108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428063 + ... + 428090.

It is an arithmetic number, because the mean of its divisors is an integer number (2568462).

Almost surely, 2^11986142 is an apocalyptic number.

11986142 is a deficient number, since it is larger than the sum of its proper divisors (8561554).

11986142 is an equidigital number, since it uses as much as digits as its factorization.

11986142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856162.

The product of its digits is 3456, while the sum is 32.

The square root of 11986142 is about 3462.1008073134. The cubic root of 11986142 is about 228.8546842860.

The spelling of 11986142 in words is "eleven million, nine hundred eighty-six thousand, one hundred forty-two".