1340703 has 24 divisors (see below), whose sum is σ = 2384928. Its totient is φ = 706752.

The previous prime is 1340701. The next prime is 1340707. The reversal of 1340703 is 3070431.

1340703 is a nontrivial binomial coefficient, being equal to C(1638, 2).

It is not a de Polignac number, because 1340703 - 2¹ = 1340701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (99372).

2^1340703 is an apocalyptic number.

1340703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1340703 is the 1637-th triangular number and also the 819-th hexagonal number.

1340703 is a deficient number, since it is larger than the sum of its proper divisors (1044225).

1340703 is a wasteful number, since it uses less digits than its factorization.

1340703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1340703 is about 1157.8873002154. The cubic root of 1340703 is about 110.2666533531.

The spelling of 1340703 in words is "one million, three hundred forty thousand, seven hundred three".