1345473 has 6 divisors (see below), whose sum is σ = 1943474. Its totient is φ = 896976.

The previous prime is 1345471. The next prime is 1345481. The reversal of 1345473 is 3745431.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 400689 = 972^2 + 633^2 .

It is not a de Polignac number, because 1345473 - 2¹ = 1345471 is a prime.

It is a Duffinian number.

1345473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1345471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74740 + ... + 74757.

2^1345473 is an apocalyptic number.

It is an amenable number.

1345473 is a deficient number, since it is larger than the sum of its proper divisors (598001).

1345473 is a wasteful number, since it uses less digits than its factorization.

1345473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149503 (or 149500 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 1345473 is about 1159.9452573290. The cubic root of 1345473 is about 110.3972687573.

The spelling of 1345473 in words is "one million, three hundred forty-five thousand, four hundred seventy-three".