12966065 has 16 divisors (see below), whose sum is σ = 17928192. Its totient is φ = 8817984.

The previous prime is 12966007. The next prime is 12966067. The reversal of 12966065 is 56066921.

It is a happy number.

12966065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12966065 - 2¹⁰ = 12965041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12966067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2987 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (1120512).

Almost surely, 2^12966065 is an apocalyptic number.

It is an amenable number.

12966065 is a deficient number, since it is larger than the sum of its proper divisors (4962127).

12966065 is a wasteful number, since it uses less digits than its factorization.

12966065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 12966065 is about 3600.8422625825. The cubic root of 12966065 is about 234.9286942253.

The spelling of 12966065 in words is "twelve million, nine hundred sixty-six thousand, sixty-five".