11005612 has 6 divisors (see below), whose sum is σ = 19259828. Its totient is φ = 5502804.

The previous prime is 11005607. The next prime is 11005619. The reversal of 11005612 is 21650011.

It is a happy number.

It is a super-2 number, since 2×11005612² = 242246990989088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11005619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375698 + ... + 1375705.

Almost surely, 2^11005612 is an apocalyptic number.

It is an amenable number.

11005612 is a deficient number, since it is larger than the sum of its proper divisors (8254216).

11005612 is a wasteful number, since it uses less digits than its factorization.

11005612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751407 (or 2751405 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11005612 is about 3317.4707233071. The cubic root of 11005612 is about 222.4358237671.

Adding to 11005612 its reverse (21650011), we get a palindrome (32655623).

The spelling of 11005612 in words is "eleven million, five thousand, six hundred twelve".