1340773 has 16 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 1022976.

The previous prime is 1340767. The next prime is 1340777. The reversal of 1340773 is 3770431.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340773 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 (1340777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 2557.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2^1340773 is an apocalyptic number.

It is an amenable number.

1340773 is a deficient number, since it is larger than the sum of its proper divisors (369947).

1340773 is a wasteful number, since it uses less digits than its factorization.

1340773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 1340773 is about 1157.9175272877. The cubic root of 1340773 is about 110.2685723790.

The spelling of 1340773 in words is "one million, three hundred forty thousand, seven hundred seventy-three".