1379473 has 2 divisors, whose sum is σ = 1379474. Its totient is φ = 1379472.

The previous prime is 1379467. The next prime is 1379489. The reversal of 1379473 is 3749731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693889 + 685584 = 833^2 + 828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379473 - 2⁹ = 1378961 is a prime.

1379473 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1379423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689736 + 689737.

It is an arithmetic number, because the mean of its divisors is an integer number (689737).

2^1379473 is an apocalyptic number.

It is an amenable number.

1379473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379473 is an equidigital number, since it uses as much as digits as its factorization.

1379473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 1379473 is about 1174.5096849324. The cubic root of 1379473 is about 111.3194541684.

The spelling of 1379473 in words is "one million, three hundred seventy-nine thousand, four hundred seventy-three".