13022111 has 4 divisors (see below), whose sum is σ = 13034472. Its totient is φ = 13009752.

The previous prime is 13022099. The next prime is 13022129. The reversal of 13022111 is 11122031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13022111 - 2²² = 8827807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13022092 and 13022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4436 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (3258618).

Almost surely, 2^13022111 is an apocalyptic number.

13022111 is a deficient number, since it is larger than the sum of its proper divisors (12361).

13022111 is a wasteful number, since it uses less digits than its factorization.

13022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360.

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

The square root of 13022111 is about 3608.6162167789. The cubic root of 13022111 is about 235.2667018829.

Adding to 13022111 its reverse (11122031), we get a palindrome (24144142).

The spelling of 13022111 in words is "thirteen million, twenty-two thousand, one hundred eleven".