12647001 has 8 divisors (see below), whose sum is σ = 16879104. Its totient is φ = 8423120.

The previous prime is 12646981. The next prime is 12647003. The reversal of 12647001 is 10074621.

12647001 is digitally balanced in base 2 and base 4, because in such bases 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 cyclic number.

It is not a de Polignac number, because 12647001 - 2⁵ = 12646969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12647003) 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, 4936 + ... + 7046.

It is an arithmetic number, because the mean of its divisors is an integer number (2109888).

Almost surely, 2^12647001 is an apocalyptic number.

It is an amenable number.

12647001 is a deficient number, since it is larger than the sum of its proper divisors (4232103).

12647001 is a wasteful number, since it uses less digits than its factorization.

12647001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12647001 is about 3556.2622231776. The cubic root of 12647001 is about 232.9856561255.

The spelling of 12647001 in words is "twelve million, six hundred forty-seven thousand, one".