1310798 has 4 divisors (see below), whose sum is σ = 1966200. Its totient is φ = 655398.

The previous prime is 1310797. The next prime is 1310801. The reversal of 1310798 is 8970131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8970131 = 107 ⋅83833.

It is a self number, because there is not a number n which added to its sum of digits gives 1310798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327698 + ... + 327701.

It is an arithmetic number, because the mean of its divisors is an integer number (491550).

2^1310798 is an apocalyptic number.

1310798 is a deficient number, since it is larger than the sum of its proper divisors (655402).

1310798 is an equidigital number, since it uses as much as digits as its factorization.

1310798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655401.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1310798 is about 1144.9008690712. The cubic root of 1310798 is about 109.4406314121.

The spelling of 1310798 in words is "one million, three hundred ten thousand, seven hundred ninety-eight".