11471216 has 10 divisors (see below), whose sum is σ = 22225512. Its totient is φ = 5735600.

The previous prime is 11471203. The next prime is 11471219. The reversal of 11471216 is 61217411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11471191 and 11471200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471219) 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, 358460 + ... + 358491.

Almost surely, 2^11471216 is an apocalyptic number.

11471216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11471216 is a deficient number, since it is larger than the sum of its proper divisors (10754296).

11471216 is an equidigital number, since it uses as much as digits as its factorization.

11471216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716959 (or 716953 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 11471216 is about 3386.9183633504. The cubic root of 11471216 is about 225.5293937623.

Adding to 11471216 its reverse (61217411), we get a palindrome (72688627).

The spelling of 11471216 in words is "eleven million, four hundred seventy-one thousand, two hundred sixteen".