1308899 has 2 divisors, whose sum is σ = 1308900. Its totient is φ = 1308898.

The previous prime is 1308887. The next prime is 1308911. The reversal of 1308899 is 9988031.

It is a balanced prime because it is at equal distance from previous prime (1308887) and next prime (1308911).

It is a cyclic number.

It is not a de Polignac number, because 1308899 - 2⁴ = 1308883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1308829) 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, 654449 + 654450.

It is an arithmetic number, because the mean of its divisors is an integer number (654450).

2^1308899 is an apocalyptic number.

1308899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308899 is an equidigital number, since it uses as much as digits as its factorization.

1308899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1308899 is about 1144.0712390406. The cubic root of 1308899 is about 109.3877556824.

The spelling of 1308899 in words is "one million, three hundred eight thousand, eight hundred ninety-nine".