12765806 has 8 divisors (see below), whose sum is σ = 19165440. Its totient is φ = 6377328.

The previous prime is 12765803. The next prime is 12765821. The reversal of 12765806 is 60856721.

12765806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765803) 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, 1235 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (2395680).

Almost surely, 2^12765806 is an apocalyptic number.

12765806 is a deficient number, since it is larger than the sum of its proper divisors (6399634).

12765806 is a wasteful number, since it uses less digits than its factorization.

12765806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578.

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

The square root of 12765806 is about 3572.9268114530. The cubic root of 12765806 is about 233.7129335832.

The spelling of 12765806 in words is "twelve million, seven hundred sixty-five thousand, eight hundred six".