13122238 has 16 divisors (see below), whose sum is σ = 20509056. Its totient is φ = 6289920.

The previous prime is 13122229. The next prime is 13122247. The reversal of 13122238 is 83222131.

It is an interprime number because it is at equal distance from previous prime (13122229) and next prime (13122247).

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, 6070 + ... + 7942.

It is an arithmetic number, because the mean of its divisors is an integer number (1281816).

Almost surely, 2^13122238 is an apocalyptic number.

13122238 is a deficient number, since it is larger than the sum of its proper divisors (7386818).

13122238 is a wasteful number, since it uses less digits than its factorization.

13122238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its digits is 576, while the sum is 22.

The square root of 13122238 is about 3622.4629742759. The cubic root of 13122238 is about 235.8681514794.

Adding to 13122238 its reverse (83222131), we get a palindrome (96344369).

The spelling of 13122238 in words is "thirteen million, one hundred twenty-two thousand, two hundred thirty-eight".