1350247 has 2 divisors, whose sum is σ = 1350248. Its totient is φ = 1350246.

The previous prime is 1350229. The next prime is 1350257. The reversal of 1350247 is 7420531.

It is a strong prime.

It is an emirp because it is prime and its reverse (7420531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1350247 - 2⁷ = 1350119 is a prime.

It is a super-2 number, since 2×1350247² = 3646333922018, which contains 22 as substring.

It is a Chen prime.

1350247 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675123 + 675124.

It is an arithmetic number, because the mean of its divisors is an integer number (675124).

2^1350247 is an apocalyptic number.

1350247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350247 is an equidigital number, since it uses as much as digits as its factorization.

1350247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1350247 is about 1162.0012908771. The cubic root of 1350247 is about 110.5276849614.

Adding to 1350247 its reverse (7420531), we get a palindrome (8770778).

The spelling of 1350247 in words is "one million, three hundred fifty thousand, two hundred forty-seven".