12785603 has 2 divisors, whose sum is σ = 12785604. Its totient is φ = 12785602.

The previous prime is 12785593. The next prime is 12785621. The reversal of 12785603 is 30658721.

It is a happy number.

12785603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12785603 - 2⁴ = 12785587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12785603.

It is not a weakly prime, because it can be changed into another prime (12785653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6392801 + 6392802.

It is an arithmetic number, because the mean of its divisors is an integer number (6392802).

Almost surely, 2^12785603 is an apocalyptic number.

12785603 is a deficient number, since it is larger than the sum of its proper divisors (1).

12785603 is an equidigital number, since it uses as much as digits as its factorization.

12785603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12785603 is about 3575.6961559954. The cubic root of 12785603 is about 233.8336838979.

The spelling of 12785603 in words is "twelve million, seven hundred eighty-five thousand, six hundred three".