1373403 has 8 divisors (see below), whose sum is σ = 1880848. Its totient is φ = 890784.

The previous prime is 1373381. The next prime is 1373417. The reversal of 1373403 is 3043731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1373403 - 2⁵ = 1373371 is a prime.

It is a Duffinian number.

1373403 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6076 + ... + 6297.

It is an arithmetic number, because the mean of its divisors is an integer number (235106).

2^1373403 is an apocalyptic number.

1373403 is a deficient number, since it is larger than the sum of its proper divisors (507445).

1373403 is a wasteful number, since it uses less digits than its factorization.

1373403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 1373403 is about 1171.9227790260. The cubic root of 1373403 is about 111.1559369874.

The spelling of 1373403 in words is "one million, three hundred seventy-three thousand, four hundred three".