12646907 has 8 divisors (see below), whose sum is σ = 15565536. Its totient is φ = 10006272.

The previous prime is 12646897. The next prime is 12646919. The reversal of 12646907 is 70964621.

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 12646907 - 2⁴ = 12646891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12646927) 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, 69398 + ... + 69579.

It is an arithmetic number, because the mean of its divisors is an integer number (1945692).

Almost surely, 2^12646907 is an apocalyptic number.

12646907 is a deficient number, since it is larger than the sum of its proper divisors (2918629).

12646907 is a wasteful number, since it uses less digits than its factorization.

12646907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138997.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 12646907 is about 3556.2490070297. The cubic root of 12646907 is about 232.9850788949.

The spelling of 12646907 in words is "twelve million, six hundred forty-six thousand, nine hundred seven".