1298673 has 10 divisors (see below), whose sum is σ = 1940114. Its totient is φ = 865728.

The previous prime is 1298653. The next prime is 1298699. The reversal of 1298673 is 3768921.

It can be written as a sum of positive squares in only one way, i.e., 685584 + 613089 = 828^2 + 783^2 .

It is not a de Polignac number, because 1298673 - 2⁵ = 1298641 is a prime.

It is a Duffinian number.

It is a Curzon number.

1298673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1298653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7936 + ... + 8097.

2^1298673 is an apocalyptic number.

It is an amenable number.

1298673 is a deficient number, since it is larger than the sum of its proper divisors (641441).

1298673 is an equidigital number, since it uses as much as digits as its factorization.

1298673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16045 (or 16036 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1298673 is about 1139.5933485239. The cubic root of 1298673 is about 109.1021403209.

The spelling of 1298673 in words is "one million, two hundred ninety-eight thousand, six hundred seventy-three".