12378307 has 2 divisors, whose sum is σ = 12378308. Its totient is φ = 12378306.

The previous prime is 12378277. The next prime is 12378319. The reversal of 12378307 is 70387321.

12378307 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 not a de Polignac number, because 12378307 - 2¹⁵ = 12345539 is a prime.

It is not a weakly prime, because it can be changed into another prime (12378007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6189153 + 6189154.

It is an arithmetic number, because the mean of its divisors is an integer number (6189154).

Almost surely, 2^12378307 is an apocalyptic number.

12378307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12378307 is an equidigital number, since it uses as much as digits as its factorization.

12378307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 12378307 is about 3518.2818249822. The cubic root of 12378307 is about 231.3238525257.

The spelling of 12378307 in words is "twelve million, three hundred seventy-eight thousand, three hundred seven".