12956003 has 2 divisors, whose sum is σ = 12956004. Its totient is φ = 12956002.

The previous prime is 12955993. The next prime is 12956039. The reversal of 12956003 is 30065921.

12956003 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 an emirp because it is prime and its reverse (30065921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12956003 - 2¹² = 12951907 is a prime.

It is not a weakly prime, because it can be changed into another prime (12956063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6478001 + 6478002.

It is an arithmetic number, because the mean of its divisors is an integer number (6478002).

Almost surely, 2^12956003 is an apocalyptic number.

12956003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12956003 is an equidigital number, since it uses as much as digits as its factorization.

12956003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 12956003 is about 3599.4448183018. Note that the first 3 decimals coincide. The cubic root of 12956003 is about 234.8679082620.

The spelling of 12956003 in words is "twelve million, nine hundred fifty-six thousand, three".