12906507 has 8 divisors (see below), whose sum is σ = 17533584. Its totient is φ = 8441888.

The previous prime is 12906497. The next prime is 12906511. The reversal of 12906507 is 70560921.

12906507 is digitally balanced in base 3, because in such base 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 12906507 - 2⁷ = 12906379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12906527) 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, 40428 + ... + 40745.

It is an arithmetic number, because the mean of its divisors is an integer number (2191698).

Almost surely, 2^12906507 is an apocalyptic number.

12906507 is a deficient number, since it is larger than the sum of its proper divisors (4627077).

12906507 is an equidigital number, since it uses as much as digits as its factorization.

12906507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81229.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 12906507 is about 3592.5627343165. The cubic root of 12906507 is about 234.5684368578.

The spelling of 12906507 in words is "twelve million, nine hundred six thousand, five hundred seven".