12755838 has 16 divisors (see below), whose sum is σ = 26134416. Its totient is φ = 4148160.

The previous prime is 12755837. The next prime is 12755839. The reversal of 12755838 is 83855721.

It is an interprime number because it is at equal distance from previous prime (12755837) and next prime (12755839).

It is a super-2 number, since 2×12755838² = 325422806164488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12755796 and 12755805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755833) by changing a digit.

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, 25681 + ... + 26172.

It is an arithmetic number, because the mean of its divisors is an integer number (1633401).

Almost surely, 2^12755838 is an apocalyptic number.

12755838 is an abundant number, since it is smaller than the sum of its proper divisors (13378578).

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

12755838 is a wasteful number, since it uses less digits than its factorization.

12755838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51899.

The product of its digits is 67200, while the sum is 39.

The square root of 12755838 is about 3571.5316042281. The cubic root of 12755838 is about 233.6520872582.

The spelling of 12755838 in words is "twelve million, seven hundred fifty-five thousand, eight hundred thirty-eight".