12921763 has 2 divisors, whose sum is σ = 12921764. Its totient is φ = 12921762.

The previous prime is 12921679. The next prime is 12921809. The reversal of 12921763 is 36712921.

12921763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12921763 is a prime.

It is not a weakly prime, because it can be changed into another prime (12921163) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6460881 + 6460882.

It is an arithmetic number, because the mean of its divisors is an integer number (6460882).

Almost surely, 2^12921763 is an apocalyptic number.

12921763 is a deficient number, since it is larger than the sum of its proper divisors (1).

12921763 is an equidigital number, since it uses as much as digits as its factorization.

12921763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 12921763 is about 3594.6853826170. The cubic root of 12921763 is about 234.6608235119.

The spelling of 12921763 in words is "twelve million, nine hundred twenty-one thousand, seven hundred sixty-three".