11000012 has 12 divisors (see below), whose sum is σ = 20263320. Its totient is φ = 5210496.

The previous prime is 10999997. The next prime is 11000027. The reversal of 11000012 is 21000011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10999997) and next prime (11000027).

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 in 3 ways as a sum of consecutive naturals, for example, 72293 + ... + 72444.

It is an arithmetic number, because the mean of its divisors is an integer number (1688610).

Almost surely, 2^11000012 is an apocalyptic number.

It is an amenable number.

11000012 is a deficient number, since it is larger than the sum of its proper divisors (9263308).

11000012 is a wasteful number, since it uses less digits than its factorization.

11000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144760 (or 144758 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 11000012 is about 3316.6265994230. The cubic root of 11000012 is about 222.3980899289.

Adding to 11000012 its reverse (21000011), we get a palindrome (32000023).

Subtracting 11000012 from its reverse (21000011), we obtain a palindrome (9999999).

Multiplying 11000012 by its reverse (21000011), we get a palindrome (231000373000132).

The spelling of 11000012 in words is "eleven million, twelve", and thus it is an aban number and an uban number.