12895145 has 8 divisors (see below), whose sum is σ = 15499080. Its totient is φ = 10299520.

The previous prime is 12895139. The next prime is 12895171. The reversal of 12895145 is 54159821.

It can be written as a sum of positive squares in 4 ways, for example, as 861184 + 12033961 = 928^2 + 3469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12895145 - 2¹⁸ = 12633001 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2111 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (1937385).

Almost surely, 2^12895145 is an apocalyptic number.

It is an amenable number.

12895145 is a deficient number, since it is larger than the sum of its proper divisors (2603935).

12895145 is an equidigital number, since it uses as much as digits as its factorization.

12895145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155.

The product of its digits is 14400, while the sum is 35.

The square root of 12895145 is about 3590.9810637206. The cubic root of 12895145 is about 234.4995840164.

The spelling of 12895145 in words is "twelve million, eight hundred ninety-five thousand, one hundred forty-five".