12307903 has 2 divisors, whose sum is σ = 12307904. Its totient is φ = 12307902.

The previous prime is 12307901. The next prime is 12307927. The reversal of 12307903 is 30970321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12307903 - 2¹ = 12307901 is a prime.

Together with 12307901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12307901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6153951 + 6153952.

It is an arithmetic number, because the mean of its divisors is an integer number (6153952).

Almost surely, 2^12307903 is an apocalyptic number.

12307903 is a deficient number, since it is larger than the sum of its proper divisors (1).

12307903 is an equidigital number, since it uses as much as digits as its factorization.

12307903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 12307903 is about 3508.2621053735. The cubic root of 12307903 is about 230.8844521222.

The spelling of 12307903 in words is "twelve million, three hundred seven thousand, nine hundred three".