12865607 has 4 divisors (see below), whose sum is σ = 12887616. Its totient is φ = 12843600.

The previous prime is 12865553. The next prime is 12865613. The reversal of 12865607 is 70656821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12865607 - 2⁶ = 12865543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12865667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10103 + ... + 11304.

It is an arithmetic number, because the mean of its divisors is an integer number (3221904).

Almost surely, 2^12865607 is an apocalyptic number.

12865607 is a deficient number, since it is larger than the sum of its proper divisors (22009).

12865607 is an equidigital number, since it uses as much as digits as its factorization.

12865607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22008.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 12865607 is about 3586.8659021491. The cubic root of 12865607 is about 234.3203965716.

The spelling of 12865607 in words is "twelve million, eight hundred sixty-five thousand, six hundred seven".