1399473 has 12 divisors (see below), whose sum is σ = 2038608. Its totient is φ = 925080.

The previous prime is 1399471. The next prime is 1399477. The reversal of 1399473 is 3749931.

It is not a de Polignac number, because 1399473 - 2¹ = 1399471 is a prime.

1399473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1399471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (169884).

2^1399473 is an apocalyptic number.

It is an amenable number.

1399473 is a deficient number, since it is larger than the sum of its proper divisors (639135).

1399473 is a wasteful number, since it uses less digits than its factorization.

1399473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1321 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 1399473 is about 1182.9932375124. The cubic root of 1399473 is about 111.8548555638.

The spelling of 1399473 in words is "one million, three hundred ninety-nine thousand, four hundred seventy-three".