12998755 has 32 divisors (see below), whose sum is σ = 20482560. Its totient is φ = 7672320.

The previous prime is 12998753. The next prime is 12998759. The reversal of 12998755 is 55789921.

It is not a de Polignac number, because 12998755 - 2¹ = 12998753 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12998753) 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 31 ways as a sum of consecutive naturals, for example, 6427 + ... + 8203.

It is an arithmetic number, because the mean of its divisors is an integer number (640080).

Almost surely, 2^12998755 is an apocalyptic number.

12998755 is a deficient number, since it is larger than the sum of its proper divisors (7483805).

12998755 is a wasteful number, since it uses less digits than its factorization.

12998755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 226800, while the sum is 46.

The square root of 12998755 is about 3605.3786208941. The cubic root of 12998755 is about 235.1259623486.

The spelling of 12998755 in words is "twelve million, nine hundred ninety-eight thousand, seven hundred fifty-five".