1298699 has 2 divisors, whose sum is σ = 1298700. Its totient is φ = 1298698.

The previous prime is 1298653. The next prime is 1298719. The reversal of 1298699 is 9968921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1298699 - 2²⁰ = 250123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1288699) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649349 + 649350.

It is an arithmetic number, because the mean of its divisors is an integer number (649350).

2^1298699 is an apocalyptic number.

1298699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298699 is an equidigital number, since it uses as much as digits as its factorization.

1298699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 44.

The square root of 1298699 is about 1139.6047560448. The cubic root of 1298699 is about 109.1028684069.

The spelling of 1298699 in words is "one million, two hundred ninety-eight thousand, six hundred ninety-nine".