11513016 has 80 divisors (see below), whose sum is σ = 32742600. Its totient is φ = 3779136.

The previous prime is 11513009. The next prime is 11513017. The reversal of 11513016 is 61031511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11513016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70551 + ... + 70713.

Almost surely, 2^11513016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11513016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16371300).

11513016 is an abundant number, since it is smaller than the sum of its proper divisors (21229584).

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

11513016 is a wasteful number, since it uses less digits than its factorization.

11513016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 11513016 is about 3393.0835533479. The cubic root of 11513016 is about 225.8029974578.

Adding to 11513016 its reverse (61031511), we get a palindrome (72544527).

It can be divided in two parts, 115 and 13016, that added together give a palindrome (13131).

The spelling of 11513016 in words is "eleven million, five hundred thirteen thousand, sixteen".