1265347 has 2 divisors, whose sum is σ = 1265348. Its totient is φ = 1265346.

The previous prime is 1265333. The next prime is 1265353. The reversal of 1265347 is 7435621.

It is a strong prime.

It is an emirp because it is prime and its reverse (7435621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1265347 - 2¹¹ = 1263299 is a prime.

It is a super-2 number, since 2×1265347² = 3202206060818, which contains 22 as substring.

It is a Chen prime.

It is equal to p₉₇₅₆₁ and since 1265347 and 97561 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1265377) 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, 632673 + 632674.

It is an arithmetic number, because the mean of its divisors is an integer number (632674).

2^1265347 is an apocalyptic number.

1265347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265347 is an equidigital number, since it uses as much as digits as its factorization.

1265347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 1265347 is about 1124.8764376588. The cubic root of 1265347 is about 108.1607972844.

The spelling of 1265347 in words is "one million, two hundred sixty-five thousand, three hundred forty-seven".