12505065 has 16 divisors (see below), whose sum is σ = 20144256. Its totient is φ = 6624000.

The previous prime is 12505063. The next prime is 12505069. The reversal of 12505065 is 56050521.

It is not a de Polignac number, because 12505065 - 2¹ = 12505063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12505063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (1259016).

Almost surely, 2^12505065 is an apocalyptic number.

12505065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12505065 is a deficient number, since it is larger than the sum of its proper divisors (7639191).

12505065 is a wasteful number, since it uses less digits than its factorization.

12505065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 12505065 is about 3536.2501325557. The cubic root of 12505065 is about 232.1107836444.

Adding to 12505065 its reverse (56050521), we get a palindrome (68555586).

The spelling of 12505065 in words is "twelve million, five hundred five thousand, sixty-five".