12509703 has 12 divisors (see below), whose sum is σ = 18325008. Its totient is φ = 8221920.

The previous prime is 12509699. The next prime is 12509713. The reversal of 12509703 is 30790521.

12509703 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12509703 - 2² = 12509699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12509713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9150 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (1527084).

Almost surely, 2^12509703 is an apocalyptic number.

12509703 is a deficient number, since it is larger than the sum of its proper divisors (5815305).

12509703 is a wasteful number, since it uses less digits than its factorization.

12509703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654 (or 19651 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 12509703 is about 3536.9058511643. The cubic root of 12509703 is about 232.1394759316.

The spelling of 12509703 in words is "twelve million, five hundred nine thousand, seven hundred three".