11320816 has 40 divisors (see below), whose sum is σ = 24276224. Its totient is φ = 5080320.

The previous prime is 11320811. The next prime is 11320819. The reversal of 11320816 is 61802311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6961 + ... + 8431.

Almost surely, 2^11320816 is an apocalyptic number.

11320816 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 11320816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12138112).

11320816 is an abundant number, since it is smaller than the sum of its proper divisors (12955408).

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

11320816 is a wasteful number, since it uses less digits than its factorization.

11320816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11320816 is about 3364.6420314797. The cubic root of 11320816 is about 224.5394100485.

The spelling of 11320816 in words is "eleven million, three hundred twenty thousand, eight hundred sixteen".