1307497 has 2 divisors, whose sum is σ = 1307498. Its totient is φ = 1307496.

The previous prime is 1307483. The next prime is 1307507. The reversal of 1307497 is 7947031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746496 + 561001 = 864^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307497 - 2¹¹ = 1305449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1307417) 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, 653748 + 653749.

It is an arithmetic number, because the mean of its divisors is an integer number (653749).

2^1307497 is an apocalyptic number.

It is an amenable number.

1307497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307497 is an equidigital number, since it uses as much as digits as its factorization.

1307497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1307497 is about 1143.4583507938. The cubic root of 1307497 is about 109.3486855879.

The spelling of 1307497 in words is "one million, three hundred seven thousand, four hundred ninety-seven".