13112022 has 64 divisors (see below), whose sum is σ = 33136128. Its totient is φ = 3360000.

The previous prime is 13111961. The next prime is 13112051. The reversal of 13112022 is 22021131.

Added to its reverse (22021131) it gives a triangular number (35133153 = T₈₃₈₂).

It is a junction number, because it is equal to n+sod(n) for n = 13111989 and 13112007.

It is a congruent number.

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, 46522 + ... + 46802.

It is an arithmetic number, because the mean of its divisors is an integer number (517752).

Almost surely, 2^13112022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16568064).

13112022 is an abundant number, since it is smaller than the sum of its proper divisors (20024106).

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

13112022 is a wasteful number, since it uses less digits than its factorization.

13112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13112022 is about 3621.0526093941. The cubic root of 13112022 is about 235.8069257793.

Adding to 13112022 its reverse (22021131), we get a palindrome (35133153).

It can be divided in two parts, 1311 and 2022, that added together give a palindrome (3333).

The spelling of 13112022 in words is "thirteen million, one hundred twelve thousand, twenty-two".