1343403 has 12 divisors (see below), whose sum is σ = 1973088. Its totient is φ = 880560.

The previous prime is 1343389. The next prime is 1343413. The reversal of 1343403 is 3043431.

It is not a de Polignac number, because 1343403 - 2⁴ = 1343387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (164424).

2^1343403 is an apocalyptic number.

1343403 is a deficient number, since it is larger than the sum of its proper divisors (629685).

1343403 is a wasteful number, since it uses less digits than its factorization.

1343403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2511 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1343403 is about 1159.0526303840. The cubic root of 1343403 is about 110.3406245784.

Adding to 1343403 its reverse (3043431), we get a palindrome (4386834).

The spelling of 1343403 in words is "one million, three hundred forty-three thousand, four hundred three".