11215716 has 24 divisors (see below), whose sum is σ = 27709920. Its totient is φ = 3518592.

The previous prime is 11215703. The next prime is 11215717. The reversal of 11215716 is 61751211.

It is not an unprimeable number, because it can be changed into a prime (11215717) 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 in 7 ways as a sum of consecutive naturals, for example, 27286 + ... + 27693.

It is an arithmetic number, because the mean of its divisors is an integer number (1154580).

Almost surely, 2^11215716 is an apocalyptic number.

It is an amenable number.

11215716 is an abundant number, since it is smaller than the sum of its proper divisors (16494204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11215716 is a wasteful number, since it uses less digits than its factorization.

11215716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55003 (or 55001 counting only the distinct ones).

The product of its digits is 420, while the sum is 24.

The square root of 11215716 is about 3348.9873096206. The cubic root of 11215716 is about 223.8423901923.

Adding to 11215716 its reverse (61751211), we get a palindrome (72966927).

The spelling of 11215716 in words is "eleven million, two hundred fifteen thousand, seven hundred sixteen".