12887603 has 2 divisors, whose sum is σ = 12887604. Its totient is φ = 12887602.

The previous prime is 12887591. The next prime is 12887617. The reversal of 12887603 is 30678821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12887603 - 2⁴ = 12887587 is a prime.

It is a super-2 number, since 2×12887603² = 332180622171218, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12847603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6443801 + 6443802.

It is an arithmetic number, because the mean of its divisors is an integer number (6443802).

Almost surely, 2^12887603 is an apocalyptic number.

12887603 is a deficient number, since it is larger than the sum of its proper divisors (1).

12887603 is an equidigital number, since it uses as much as digits as its factorization.

12887603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12887603 is about 3589.9307792769. The cubic root of 12887603 is about 234.4538577431.

The spelling of 12887603 in words is "twelve million, eight hundred eighty-seven thousand, six hundred three".