13023122 has 24 divisors (see below), whose sum is σ = 24063804. Its totient is φ = 5252352.

The previous prime is 13023119. The next prime is 13023133. The reversal of 13023122 is 22132031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 625681 = 3521^2 + 791^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 13023097 and 13023106.

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 11 ways as a sum of consecutive naturals, for example, 2243 + ... + 5574.

Almost surely, 2^13023122 is an apocalyptic number.

13023122 is a deficient number, since it is larger than the sum of its proper divisors (11040682).

13023122 is a wasteful number, since it uses less digits than its factorization.

13023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850 (or 7843 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13023122 is about 3608.7562954569. The cubic root of 13023122 is about 235.2727902066.

Adding to 13023122 its reverse (22132031), we get a palindrome (35155153).

The spelling of 13023122 in words is "thirteen million, twenty-three thousand, one hundred twenty-two".