1298963 has 2 divisors, whose sum is σ = 1298964. Its totient is φ = 1298962.

The previous prime is 1298951. The next prime is 1298981. The reversal of 1298963 is 3698921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298963 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1298923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649481 + 649482.

It is an arithmetic number, because the mean of its divisors is an integer number (649482).

2^1298963 is an apocalyptic number.

1298963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298963 is an equidigital number, since it uses as much as digits as its factorization.

1298963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 1298963 is about 1139.7205797914. The cubic root of 1298963 is about 109.1102607295.

The spelling of 1298963 in words is "one million, two hundred ninety-eight thousand, nine hundred sixty-three".