1340793 has 10 divisors (see below), whose sum is σ = 2003034. Its totient is φ = 893808.

The previous prime is 1340789. The next prime is 1340797. The reversal of 1340793 is 3970431.

It is an interprime number because it is at equal distance from previous prime (1340789) and next prime (1340797).

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 13689 = 1152^2 + 117^2 .

It is not a de Polignac number, because 1340793 - 2² = 1340789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1340797) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8196 + ... + 8357.

2^1340793 is an apocalyptic number.

It is an amenable number.

1340793 is a deficient number, since it is larger than the sum of its proper divisors (662241).

1340793 is an equidigital number, since it uses as much as digits as its factorization.

1340793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16565 (or 16556 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1340793 is about 1157.9261634491. The cubic root of 1340793 is about 110.2691206598.

The spelling of 1340793 in words is "one million, three hundred forty thousand, seven hundred ninety-three".