1339147 has 2 divisors, whose sum is σ = 1339148. Its totient is φ = 1339146.

The previous prime is 1339127. The next prime is 1339153. The reversal of 1339147 is 7419331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1339147 - 2¹⁹ = 814859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339127) 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 as a sum of consecutive naturals, namely, 669573 + 669574.

It is an arithmetic number, because the mean of its divisors is an integer number (669574).

2^1339147 is an apocalyptic number.

1339147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339147 is an equidigital number, since it uses as much as digits as its factorization.

1339147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 28.

The square root of 1339147 is about 1157.2151917427. The cubic root of 1339147 is about 110.2239788927.

The spelling of 1339147 in words is "one million, three hundred thirty-nine thousand, one hundred forty-seven".