13438122 has 8 divisors (see below), whose sum is σ = 26876256. Its totient is φ = 4479372.

The previous prime is 13438091. The next prime is 13438129. The reversal of 13438122 is 22183431.

It is a sphenic number, since it is the product of 3 distinct primes.

13438122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13438092 and 13438101.

It is not an unprimeable number, because it can be changed into a prime (13438129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119838 + ... + 1119849.

It is an arithmetic number, because the mean of its divisors is an integer number (3359532).

Almost surely, 2^13438122 is an apocalyptic number.

13438122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13438122 is a wasteful number, since it uses less digits than its factorization.

13438122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239692.

The product of its digits is 1152, while the sum is 24.

The square root of 13438122 is about 3665.8044137679. The cubic root of 13438122 is about 237.7458035020.

The spelling of 13438122 in words is "thirteen million, four hundred thirty-eight thousand, one hundred twenty-two".