11212232 has 8 divisors (see below), whose sum is σ = 21022950. Its totient is φ = 5606112.

The previous prime is 11212219. The next prime is 11212237. The reversal of 11212232 is 23221211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7107556 + 4104676 = 2666^2 + 2026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11212237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700757 + ... + 700772.

Almost surely, 2^11212232 is an apocalyptic number.

It is an amenable number.

11212232 is a deficient number, since it is larger than the sum of its proper divisors (9810718).

11212232 is a wasteful number, since it uses less digits than its factorization.

11212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401535 (or 1401531 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 11212232 is about 3348.4671119783. The cubic root of 11212232 is about 223.8192099913.

Adding to 11212232 its reverse (23221211), we get a palindrome (34433443).

The spelling of 11212232 in words is "eleven million, two hundred twelve thousand, two hundred thirty-two".