11012 has 6 divisors (see below), whose sum is σ = 19278.
Its totient is φ = 5504.
The previous prime is 11003. The next prime is 11027. The reversal of 11012 is 21011.
Adding to 11012 its reverse (21011), we get a palindrome (32023).
Subtracting 11012 from its reverse (21011), we obtain a palindrome (9999).
Multipling 11012 by its reverse (21011), we get a palindrome (231373132).
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 10816 + 196 = 104^2 + 14^2
It is a junction number, because it is equal to n+sod(n) for n = 10987 and 11005.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373 + ... + 1380.
It is an arithmetic number, because the mean of its divisors is an integer number (3213).
211012 is an apocalyptic number.
It is an amenable number.
11012 is a deficient number, since it is larger than the sum of its proper divisors (8266).
11012 is a wasteful number, since it uses less digits than its factorization.
11012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2757 (or 2755 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 11012 is about 104.9380769788.
The cubic root of 11012 is about 22.2478851670.
The spelling of 11012 in words is "eleven thousand, twelve", and thus it is an iban number.