12745807 has 2 divisors, whose sum is σ = 12745808. Its totient is φ = 12745806.

The previous prime is 12745787. The next prime is 12745813. The reversal of 12745807 is 70854721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12745807 - 2⁷ = 12745679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12755807) 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, 6372903 + 6372904.

It is an arithmetic number, because the mean of its divisors is an integer number (6372904).

Almost surely, 2^12745807 is an apocalyptic number.

12745807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12745807 is an equidigital number, since it uses as much as digits as its factorization.

12745807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 12745807 is about 3570.1270285523. The cubic root of 12745807 is about 233.5908243624.

The spelling of 12745807 in words is "twelve million, seven hundred forty-five thousand, eight hundred seven".