13051116 has 72 divisors (see below), whose sum is σ = 36079680. Its totient is φ = 3953664.

The previous prime is 13051109. The next prime is 13051117. The reversal of 13051116 is 61115031.

13051116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (13051117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36796 + ... + 37148.

Almost surely, 2^13051116 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 13051116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18039840).

13051116 is an abundant number, since it is smaller than the sum of its proper divisors (23028564).

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

13051116 is a wasteful number, since it uses less digits than its factorization.

13051116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 450 counting only the distinct ones).

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

The square root of 13051116 is about 3612.6328349280. The cubic root of 13051116 is about 235.4412473285.

Adding to 13051116 its reverse (61115031), we get a palindrome (74166147).

The spelling of 13051116 in words is "thirteen million, fifty-one thousand, one hundred sixteen".