11243616 has 48 divisors (see below), whose sum is σ = 29728944. Its totient is φ = 3720704.

The previous prime is 11243593. The next prime is 11243621. The reversal of 11243616 is 61634211.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16270 + ... + 16946.

It is an arithmetic number, because the mean of its divisors is an integer number (619353).

Almost surely, 2^11243616 is an apocalyptic number.

11243616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14864472).

11243616 is an abundant number, since it is smaller than the sum of its proper divisors (18485328).

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

11243616 is a wasteful number, since it uses less digits than its factorization.

11243616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 855 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 11243616 is about 3353.1501606698. The cubic root of 11243616 is about 224.0278451779.

Adding to 11243616 its reverse (61634211), we get a palindrome (72877827).

The spelling of 11243616 in words is "eleven million, two hundred forty-three thousand, six hundred sixteen".