1320598 has 4 divisors (see below), whose sum is σ = 1980900. Its totient is φ = 660298.

The previous prime is 1320541. The next prime is 1320607. The reversal of 1320598 is 8950231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8950231 = 1259 ⋅7109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330148 + ... + 330151.

It is an arithmetic number, because the mean of its divisors is an integer number (495225).

2^1320598 is an apocalyptic number.

1320598 is a deficient number, since it is larger than the sum of its proper divisors (660302).

1320598 is an equidigital number, since it uses as much as digits as its factorization.

1320598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660301.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1320598 is about 1149.1727459351. The cubic root of 1320598 is about 109.7126937716.

The spelling of 1320598 in words is "one million, three hundred twenty thousand, five hundred ninety-eight".