12805607 has 8 divisors (see below), whose sum is σ = 13596336. Its totient is φ = 12019072.

The previous prime is 12805603. The next prime is 12805609. The reversal of 12805607 is 70650821.

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

It is a cyclic number.

It is not a de Polignac number, because 12805607 - 2² = 12805603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12805607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7133 + ... + 8745.

It is an arithmetic number, because the mean of its divisors is an integer number (1699542).

Almost surely, 2^12805607 is an apocalyptic number.

12805607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12805607 is a deficient number, since it is larger than the sum of its proper divisors (790729).

12805607 is a wasteful number, since it uses less digits than its factorization.

12805607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12805607 is about 3578.4922802767. The cubic root of 12805607 is about 233.9555702531.

The spelling of 12805607 in words is "twelve million, eight hundred five thousand, six hundred seven".