12642703 has 2 divisors, whose sum is σ = 12642704. Its totient is φ = 12642702.

The previous prime is 12642701. The next prime is 12642743. The reversal of 12642703 is 30724621.

12642703 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 12642703 - 2¹ = 12642701 is a prime.

Together with 12642701, 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 (12642701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321351 + 6321352.

It is an arithmetic number, because the mean of its divisors is an integer number (6321352).

Almost surely, 2^12642703 is an apocalyptic number.

12642703 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642703 is an equidigital number, since it uses as much as digits as its factorization.

12642703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 12642703 is about 3555.6578856802. The cubic root of 12642703 is about 232.9592602548.

The spelling of 12642703 in words is "twelve million, six hundred forty-two thousand, seven hundred three".