1320838 has 8 divisors (see below), whose sum is σ = 2011032. Its totient is φ = 650496.

The previous prime is 1320811. The next prime is 1320859. The reversal of 1320838 is 8380231.

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

It is a super-2 number, since 2×1320838² = 3489226044488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4795 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (251379).

2^1320838 is an apocalyptic number.

1320838 is a deficient number, since it is larger than the sum of its proper divisors (690194).

1320838 is an equidigital number, since it uses as much as digits as its factorization.

1320838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1320838 is about 1149.2771641340. The cubic root of 1320838 is about 109.7193396122.

The spelling of 1320838 in words is "one million, three hundred twenty thousand, eight hundred thirty-eight".