11216572 has 6 divisors (see below), whose sum is σ = 19629008. Its totient is φ = 5608284.

The previous prime is 11216567. The next prime is 11216573. The reversal of 11216572 is 27561211.

It is a super-2 number, since 2×11216572² = 251622974862368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216573) 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, 1402068 + ... + 1402075.

Almost surely, 2^11216572 is an apocalyptic number.

It is an amenable number.

11216572 is a deficient number, since it is larger than the sum of its proper divisors (8412436).

11216572 is a wasteful number, since it uses less digits than its factorization.

11216572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804147 (or 2804145 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 11216572 is about 3349.1151070096. The cubic root of 11216572 is about 223.8480847079.

Adding to 11216572 its reverse (27561211), we get a palindrome (38777783).

The spelling of 11216572 in words is "eleven million, two hundred sixteen thousand, five hundred seventy-two".