1298697 has 8 divisors (see below), whose sum is σ = 1741344. Its totient is φ = 860928.

The previous prime is 1298653. The next prime is 1298699. The reversal of 1298697 is 7968921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1298697 - 2¹¹ = 1296649 is a prime.

It is a super-2 number, since 2×1298697² = 3373227795618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1298699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (217668).

2^1298697 is an apocalyptic number.

It is an amenable number.

1298697 is a deficient number, since it is larger than the sum of its proper divisors (442647).

1298697 is a wasteful number, since it uses less digits than its factorization.

1298697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its digits is 54432, while the sum is 42.

The square root of 1298697 is about 1139.6038785473. The cubic root of 1298697 is about 109.1028124006.

The spelling of 1298697 in words is "one million, two hundred ninety-eight thousand, six hundred ninety-seven".