12709806 has 8 divisors (see below), whose sum is σ = 25419624. Its totient is φ = 4236600.

The previous prime is 12709799. The next prime is 12709817. The reversal of 12709806 is 60890721.

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

12709806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059145 + ... + 1059156.

It is an arithmetic number, because the mean of its divisors is an integer number (3177453).

Almost surely, 2^12709806 is an apocalyptic number.

12709806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12709806 is a wasteful number, since it uses less digits than its factorization.

12709806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118306.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12709806 is about 3565.0814857448. The cubic root of 12709806 is about 233.3706883505.

The spelling of 12709806 in words is "twelve million, seven hundred nine thousand, eight hundred six".