13021112 has 24 divisors (see below), whose sum is σ = 26439840. Its totient is φ = 6009120.

The previous prime is 13021079. The next prime is 13021117. The reversal of 13021112 is 21112031.

It is a junction number, because it is equal to n+sod(n) for n = 13021093 and 13021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3464 + ... + 6167.

It is an arithmetic number, because the mean of its divisors is an integer number (1101660).

Almost surely, 2^13021112 is an apocalyptic number.

It is an amenable number.

13021112 is an abundant number, since it is smaller than the sum of its proper divisors (13418728).

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

13021112 is a wasteful number, since it uses less digits than its factorization.

13021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663 (or 9646 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13021112 is about 3608.4777954146. The cubic root of 13021112 is about 235.2606855147.

Adding to 13021112 its reverse (21112031), we get a palindrome (34133143).

The spelling of 13021112 in words is "thirteen million, twenty-one thousand, one hundred twelve".