12378763 has 2 divisors, whose sum is σ = 12378764. Its totient is φ = 12378762.

The previous prime is 12378739. The next prime is 12378767. The reversal of 12378763 is 36787321.

It is a strong prime.

It is an emirp because it is prime and its reverse (36787321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12378763 - 2⁹ = 12378251 is a prime.

It is not a weakly prime, because it can be changed into another prime (12378767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6189381 + 6189382.

It is an arithmetic number, because the mean of its divisors is an integer number (6189382).

Almost surely, 2^12378763 is an apocalyptic number.

12378763 is a deficient number, since it is larger than the sum of its proper divisors (1).

12378763 is an equidigital number, since it uses as much as digits as its factorization.

12378763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 12378763 is about 3518.3466287448. The cubic root of 12378763 is about 231.3266930429.

It can be divided in two parts, 1237 and 8763, that added together give a 4-th power (10000 = 10⁴).

The spelling of 12378763 in words is "twelve million, three hundred seventy-eight thousand, seven hundred sixty-three".