1303439 has 2 divisors, whose sum is σ = 1303440. Its totient is φ = 1303438.

The previous prime is 1303427. The next prime is 1303453. The reversal of 1303439 is 9343031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303439 - 2¹² = 1299343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651719 + 651720.

It is an arithmetic number, because the mean of its divisors is an integer number (651720).

2^1303439 is an apocalyptic number.

1303439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303439 is an equidigital number, since it uses as much as digits as its factorization.

1303439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1303439 is about 1141.6825303034. The cubic root of 1303439 is about 109.2354420328.

The spelling of 1303439 in words is "one million, three hundred three thousand, four hundred thirty-nine".