13122838 has 8 divisors (see below), whose sum is σ = 19748088. Its totient is φ = 6540144.

The previous prime is 13122817. The next prime is 13122841. The reversal of 13122838 is 83822131.

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

It is a congruent number.

It is an unprimeable number.

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, 9856 + ... + 11107.

It is an arithmetic number, because the mean of its divisors is an integer number (2468511).

Almost surely, 2^13122838 is an apocalyptic number.

13122838 is a deficient number, since it is larger than the sum of its proper divisors (6625250).

13122838 is a wasteful number, since it uses less digits than its factorization.

13122838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21278.

The product of its digits is 2304, while the sum is 28.

The square root of 13122838 is about 3622.5457899107. The cubic root of 13122838 is about 235.8717463625.

Adding to 13122838 its reverse (83822131), we get a palindrome (96944969).

The spelling of 13122838 in words is "thirteen million, one hundred twenty-two thousand, eight hundred thirty-eight".