1320893 has 8 divisors (see below), whose sum is σ = 1540800. Its totient is φ = 1131900.

The previous prime is 1320889. The next prime is 1320901. The reversal of 1320893 is 3980231.

It is not a de Polignac number, because 1320893 - 2² = 1320889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (192600).

2^1320893 is an apocalyptic number.

It is an amenable number.

1320893 is a deficient number, since it is larger than the sum of its proper divisors (219907).

1320893 is an frugal number, since it uses more digits than its factorization.

1320893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1320893 is about 1149.3010919685. The cubic root of 1320893 is about 109.7208625040.

The spelling of 1320893 in words is "one million, three hundred twenty thousand, eight hundred ninety-three".