1319798 has 4 divisors (see below), whose sum is σ = 1979700. Its totient is φ = 659898.

The previous prime is 1319779. The next prime is 1319803. The reversal of 1319798 is 8979131.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

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, 329948 + ... + 329951.

It is an arithmetic number, because the mean of its divisors is an integer number (494925).

2^1319798 is an apocalyptic number.

1319798 is a deficient number, since it is larger than the sum of its proper divisors (659902).

1319798 is an equidigital number, since it uses as much as digits as its factorization.

1319798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659901.

The product of its digits is 13608, while the sum is 38.

The square root of 1319798 is about 1148.8246167279. The cubic root of 1319798 is about 109.6905351525.

The spelling of 1319798 in words is "one million, three hundred nineteen thousand, seven hundred ninety-eight".