12506647 has 8 divisors (see below), whose sum is σ = 12768032. Its totient is φ = 12247200.

The previous prime is 12506587. The next prime is 12506651. The reversal of 12506647 is 74660521.

It is a happy number.

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 12506647 - 2⁷ = 12506519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506677) 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, 25438 + ... + 25924.

It is an arithmetic number, because the mean of its divisors is an integer number (1596004).

Almost surely, 2^12506647 is an apocalyptic number.

12506647 is a deficient number, since it is larger than the sum of its proper divisors (261385).

12506647 is an equidigital number, since it uses as much as digits as its factorization.

12506647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 12506647 is about 3536.4738087536. The cubic root of 12506647 is about 232.1205712458.

The spelling of 12506647 in words is "twelve million, five hundred six thousand, six hundred forty-seven".