1345503 has 8 divisors (see below), whose sum is σ = 1802416. Its totient is φ = 892800.

The previous prime is 1345481. The next prime is 1345507. The reversal of 1345503 is 3055431.

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

It is not a de Polignac number, because 1345503 - 2⁵ = 1345471 is a prime.

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 1345503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345507) 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, 208 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (225302).

2^1345503 is an apocalyptic number.

1345503 is a deficient number, since it is larger than the sum of its proper divisors (456913).

1345503 is a wasteful number, since it uses less digits than its factorization.

1345503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1345503 is about 1159.9581889017. The cubic root of 1345503 is about 110.3980892601.

The spelling of 1345503 in words is "one million, three hundred forty-five thousand, five hundred three".