1379603 has 2 divisors, whose sum is σ = 1379604. Its totient is φ = 1379602.

The previous prime is 1379579. The next prime is 1379621. The reversal of 1379603 is 3069731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1379603 - 2¹⁰ = 1378579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1379633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689801 + 689802.

It is an arithmetic number, because the mean of its divisors is an integer number (689802).

2^1379603 is an apocalyptic number.

1379603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379603 is an equidigital number, since it uses as much as digits as its factorization.

1379603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1379603 is about 1174.5650258713. The cubic root of 1379603 is about 111.3229509324.

The spelling of 1379603 in words is "one million, three hundred seventy-nine thousand, six hundred three".