12722603 has 2 divisors, whose sum is σ = 12722604. Its totient is φ = 12722602.

The previous prime is 12722599. The next prime is 12722623. The reversal of 12722603 is 30622721.

It is a weak prime.

It is an emirp because it is prime and its reverse (30622721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12722603 - 2² = 12722599 is a prime.

It is not a weakly prime, because it can be changed into another prime (12722623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361301 + 6361302.

It is an arithmetic number, because the mean of its divisors is an integer number (6361302).

Almost surely, 2^12722603 is an apocalyptic number.

12722603 is a deficient number, since it is larger than the sum of its proper divisors (1).

12722603 is an equidigital number, since it uses as much as digits as its factorization.

12722603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 12722603 is about 3566.8758038373. The cubic root of 12722603 is about 233.4489859775.

The spelling of 12722603 in words is "twelve million, seven hundred twenty-two thousand, six hundred three".