1307297 has 8 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 1236928.

The previous prime is 1307281. The next prime is 1307303. The reversal of 1307297 is 7927031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1307297 - 2⁴ = 1307281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307197) 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 in 7 ways as a sum of consecutive naturals, for example, 2348 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

2^1307297 is an apocalyptic number.

It is an amenable number.

1307297 is a deficient number, since it is larger than the sum of its proper divisors (71647).

1307297 is a wasteful number, since it uses less digits than its factorization.

1307297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1307297 is about 1143.3708934550. The cubic root of 1307297 is about 109.3431098320.

The spelling of 1307297 in words is "one million, three hundred seven thousand, two hundred ninety-seven".