1305907 has 2 divisors, whose sum is σ = 1305908. Its totient is φ = 1305906.

The previous prime is 1305893. The next prime is 1305919. The reversal of 1305907 is 7095031.

It is a strong prime.

It is an emirp because it is prime and its reverse (7095031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1305907 - 2¹¹ = 1303859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305947) 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, 652953 + 652954.

It is an arithmetic number, because the mean of its divisors is an integer number (652954).

2^1305907 is an apocalyptic number.

1305907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305907 is an equidigital number, since it uses as much as digits as its factorization.

1305907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 1305907 is about 1142.7628800412. The cubic root of 1305907 is about 109.3043426093.

The spelling of 1305907 in words is "one million, three hundred five thousand, nine hundred seven".