12903207 has 8 divisors (see below), whose sum is σ = 17952384. Its totient is φ = 8228088.

The previous prime is 12903197. The next prime is 12903211. The reversal of 12903207 is 70230921.

12903207 is digitally balanced in base 2, 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 not a de Polignac number, because 12903207 - 2⁸ = 12902951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903227) 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, 93433 + ... + 93570.

It is an arithmetic number, because the mean of its divisors is an integer number (2244048).

Almost surely, 2^12903207 is an apocalyptic number.

12903207 is a deficient number, since it is larger than the sum of its proper divisors (5049177).

12903207 is a wasteful number, since it uses less digits than its factorization.

12903207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187029.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 12903207 is about 3592.1034227873. The cubic root of 12903207 is about 234.5484432783.

The spelling of 12903207 in words is "twelve million, nine hundred three thousand, two hundred seven".