12795121 has 2 divisors, whose sum is σ = 12795122. Its totient is φ = 12795120.

The previous prime is 12795109. The next prime is 12795131. The reversal of 12795121 is 12159721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12702096 + 93025 = 3564^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 12795121 - 2¹⁵ = 12762353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12795121.

It is not a weakly prime, because it can be changed into another prime (12795131) 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 as a sum of consecutive naturals, namely, 6397560 + 6397561.

It is an arithmetic number, because the mean of its divisors is an integer number (6397561).

Almost surely, 2^12795121 is an apocalyptic number.

It is an amenable number.

12795121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12795121 is an equidigital number, since it uses as much as digits as its factorization.

12795121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 28.

The square root of 12795121 is about 3577.0268380318. The cubic root of 12795121 is about 233.8916938579.

It can be divided in two parts, 1279 and 5121, that added together give a square (6400 = 80²).

The spelling of 12795121 in words is "twelve million, seven hundred ninety-five thousand, one hundred twenty-one".