11005012 has 6 divisors (see below), whose sum is σ = 19258778. Its totient is φ = 5502504.

The previous prime is 11004979. The next prime is 11005013. The reversal of 11005012 is 21050011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5779216 + 5225796 = 2404^2 + 2286^2 .

It is a super-2 number, since 2×11005012² = 242220578240288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11005012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005013) by changing a digit.

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, 1375623 + ... + 1375630.

Almost surely, 2^11005012 is an apocalyptic number.

It is an amenable number.

11005012 is a deficient number, since it is larger than the sum of its proper divisors (8253766).

11005012 is a wasteful number, since it uses less digits than its factorization.

11005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751257 (or 2751255 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 11005012 is about 3317.3802917362. The cubic root of 11005012 is about 222.4317814682.

Adding to 11005012 its reverse (21050011), we get a palindrome (32055023).

The spelling of 11005012 in words is "eleven million, five thousand, twelve".