13213112 has 32 divisors (see below), whose sum is σ = 27546480. Its totient is φ = 5890560.

The previous prime is 13213093. The next prime is 13213121. The reversal of 13213112 is 21131231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248 + ... + 6080.

Almost surely, 2^13213112 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 13213112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13773240).

13213112 is an abundant number, since it is smaller than the sum of its proper divisors (14333368).

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

13213112 is a wasteful number, since it uses less digits than its factorization.

13213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2899 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 13213112 is about 3634.9844566380. The cubic root of 13213112 is about 236.4113767294.

Adding to 13213112 its reverse (21131231), we get a palindrome (34344343).

The spelling of 13213112 in words is "thirteen million, two hundred thirteen thousand, one hundred twelve".