12909706 has 8 divisors (see below), whose sum is σ = 19609920. Its totient is φ = 6373068.

The previous prime is 12909703. The next prime is 12909709. The reversal of 12909706 is 60790921.

12909706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12909703) and next prime (12909709).

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

It is not an unprimeable number, because it can be changed into a prime (12909703) 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, 40696 + ... + 41011.

It is an arithmetic number, because the mean of its divisors is an integer number (2451240).

Almost surely, 2^12909706 is an apocalyptic number.

12909706 is a deficient number, since it is larger than the sum of its proper divisors (6700214).

12909706 is an equidigital number, since it uses as much as digits as its factorization.

12909706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81788.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 12909706 is about 3593.0079320814. The cubic root of 12909706 is about 234.5878152598.

The spelling of 12909706 in words is "twelve million, nine hundred nine thousand, seven hundred six".