1343973 has 4 divisors (see below), whose sum is σ = 1791968. Its totient is φ = 895980.

The previous prime is 1343971. The next prime is 1343983. The reversal of 1343973 is 3793431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1343973 - 2¹ = 1343971 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223993 + ... + 223998.

It is an arithmetic number, because the mean of its divisors is an integer number (447992).

2^1343973 is an apocalyptic number.

It is an amenable number.

1343973 is a deficient number, since it is larger than the sum of its proper divisors (447995).

1343973 is an equidigital number, since it uses as much as digits as its factorization.

1343973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447994.

The product of its digits is 6804, while the sum is 30.

The square root of 1343973 is about 1159.2984947804. The cubic root of 1343973 is about 110.3562280527.

The spelling of 1343973 in words is "one million, three hundred forty-three thousand, nine hundred seventy-three".