1380673 has 12 divisors (see below), whose sum is σ = 1691760. Its totient is φ = 1120392.

The previous prime is 1380671. The next prime is 1380677. The reversal of 1380673 is 3760831.

It is not a de Polignac number, because 1380673 - 2¹ = 1380671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (140980).

2^1380673 is an apocalyptic number.

It is an amenable number.

1380673 is a deficient number, since it is larger than the sum of its proper divisors (311087).

1380673 is a wasteful number, since it uses less digits than its factorization.

1380673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1380673 is about 1175.0204253544. The cubic root of 1380673 is about 111.3517236484.

The spelling of 1380673 in words is "one million, three hundred eighty thousand, six hundred seventy-three".