12896155 has 32 divisors (see below), whose sum is σ = 17510400. Its totient is φ = 9072000.

The previous prime is 12896153. The next prime is 12896159. The reversal of 12896155 is 55169821.

12896155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12896155 - 2¹ = 12896153 is a prime.

It is a Smith number, since the sum of its digits (37) 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 (12896153) 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 31 ways as a sum of consecutive naturals, for example, 85330 + ... + 85480.

It is an arithmetic number, because the mean of its divisors is an integer number (547200).

Almost surely, 2^12896155 is an apocalyptic number.

12896155 is a deficient number, since it is larger than the sum of its proper divisors (4614245).

12896155 is a wasteful number, since it uses less digits than its factorization.

12896155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its digits is 21600, while the sum is 37.

The square root of 12896155 is about 3591.1216910598. The cubic root of 12896155 is about 234.5057061758.

The spelling of 12896155 in words is "twelve million, eight hundred ninety-six thousand, one hundred fifty-five".