12875555 has 32 divisors (see below), whose sum is σ = 19657728. Its totient is φ = 7862400.

The previous prime is 12875549. The next prime is 12875557. The reversal of 12875555 is 55557821.

12875555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12875555 - 2⁴ = 12875539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12875557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20090 + ... + 20720.

It is an arithmetic number, because the mean of its divisors is an integer number (614304).

Almost surely, 2^12875555 is an apocalyptic number.

12875555 is a deficient number, since it is larger than the sum of its proper divisors (6782173).

12875555 is a wasteful number, since it uses less digits than its factorization.

With its successor (12875556) it forms an eRAP, since the sums of their prime factors are consecutive (707 and 708).

12875555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 70000, while the sum is 38.

The square root of 12875555 is about 3588.2523601330. The cubic root of 12875555 is about 234.3807750873.

The spelling of 12875555 in words is "twelve million, eight hundred seventy-five thousand, five hundred fifty-five".