1298847 has 8 divisors (see below), whose sum is σ = 1889280. Its totient is φ = 787160.

The previous prime is 1298831. The next prime is 1298849. The reversal of 1298847 is 7488921.

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

It is not a de Polignac number, because 1298847 - 2⁴ = 1298831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298849) 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 in 7 ways as a sum of consecutive naturals, for example, 19647 + ... + 19712.

It is an arithmetic number, because the mean of its divisors is an integer number (236160).

2^1298847 is an apocalyptic number.

1298847 is a deficient number, since it is larger than the sum of its proper divisors (590433).

1298847 is a wasteful number, since it uses less digits than its factorization.

1298847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39373.

The product of its digits is 32256, while the sum is 39.

The square root of 1298847 is about 1139.6696889889. The cubic root of 1298847 is about 109.1070127111.

It can be divided in two parts, 1298 and 847, that added together give a triangular number (2145 = T₆₅).

The spelling of 1298847 in words is "one million, two hundred ninety-eight thousand, eight hundred forty-seven".