11013816 has 32 divisors (see below), whose sum is σ = 30038400. Its totient is φ = 3337440.

The previous prime is 11013811. The next prime is 11013829. The reversal of 11013816 is 61831011.

It is a junction number, because it is equal to n+sod(n) for n = 11013792 and 11013801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013811) 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, 20596 + ... + 21123.

It is an arithmetic number, because the mean of its divisors is an integer number (938700).

Almost surely, 2^11013816 is an apocalyptic number.

It is an amenable number.

11013816 is an abundant number, since it is smaller than the sum of its proper divisors (19024584).

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

11013816 is a wasteful number, since it uses less digits than its factorization.

11013816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41739 (or 41735 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11013816 is about 3318.7069771223. The cubic root of 11013816 is about 222.4910807349.

Adding to 11013816 its reverse (61831011), we get a palindrome (72844827).

The spelling of 11013816 in words is "eleven million, thirteen thousand, eight hundred sixteen".