11142733 has 8 divisors (see below), whose sum is σ = 13145600.
Its totient is φ = 9242640.
The previous prime is 11142731. The next prime is 11142751. The reversal of 11142733 is 33724111.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11142733 - 21 = 11142731 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11142731) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25458 + ... + 25891.
It is an arithmetic number, because the mean of its divisors is an integer number (1643200).
Almost surely, 211142733 is an apocalyptic number.
It is an amenable number.
11142733 is a deficient number, since it is larger than the sum of its proper divisors (2002867).
11142733 is an equidigital number, since it uses as much as digits as its factorization.
11142733 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51387.
The product of its digits is 504, while the sum is 22.
The square root of 11142733 is about 3338.0732466499.
The cubic root of 11142733 is about 223.3558035360.
Adding to 11142733 its reverse (33724111), we get a palindrome (44866844).
The spelling of 11142733 in words is "eleven million, one hundred forty-two thousand, seven hundred thirty-three".