13211016 has 128 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 3320064.

The previous prime is 13210937. The next prime is 13211059. The reversal of 13211016 is 61011231.

It is a junction number, because it is equal to n+sod(n) for n = 13210986 and 13211004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50101 + ... + 50363.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^13211016 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 13211016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21288960).

13211016 is an abundant number, since it is smaller than the sum of its proper divisors (29366904).

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

13211016 is a wasteful number, since it uses less digits than its factorization.

13211016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 13211016 is about 3634.6961358551. The cubic root of 13211016 is about 236.3988753987.

Adding to 13211016 its reverse (61011231), we get a palindrome (74222247).

The spelling of 13211016 in words is "thirteen million, two hundred eleven thousand, sixteen".