1307797 has 4 divisors (see below), whose sum is σ = 1350016. Its totient is φ = 1265580.

The previous prime is 1307771. The next prime is 1307809. The reversal of 1307797 is 7977031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1307797 - 2¹¹ = 1305749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21063 + ... + 21124.

It is an arithmetic number, because the mean of its divisors is an integer number (337504).

2^1307797 is an apocalyptic number.

It is an amenable number.

1307797 is a deficient number, since it is larger than the sum of its proper divisors (42219).

1307797 is an equidigital number, since it uses as much as digits as its factorization.

1307797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42218.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 1307797 is about 1143.5895242612. The cubic root of 1307797 is about 109.3570481557.

The spelling of 1307797 in words is "one million, three hundred seven thousand, seven hundred ninety-seven".