12706255 has 4 divisors (see below), whose sum is σ = 15247512. Its totient is φ = 10165000.

The previous prime is 12706247. The next prime is 12706261. The reversal of 12706255 is 55260721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12706255 - 2³ = 12706247 is a prime.

It is a super-2 number, since 2×12706255² = 322897832250050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

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 3 ways as a sum of consecutive naturals, for example, 1270621 + ... + 1270630.

It is an arithmetic number, because the mean of its divisors is an integer number (3811878).

Almost surely, 2^12706255 is an apocalyptic number.

12706255 is a deficient number, since it is larger than the sum of its proper divisors (2541257).

12706255 is an equidigital number, since it uses as much as digits as its factorization.

12706255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541256.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 12706255 is about 3564.5834258718. The cubic root of 12706255 is about 233.3489524692.

Adding to 12706255 its reverse (55260721), we get a palindrome (67966976).

The spelling of 12706255 in words is "twelve million, seven hundred six thousand, two hundred fifty-five".