1316397 has 8 divisors (see below), whose sum is σ = 1815840. Its totient is φ = 847280.

The previous prime is 1316389. The next prime is 1316401. The reversal of 1316397 is 7936131.

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 1316397 - 2³ = 1316389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7479 + ... + 7652.

It is an arithmetic number, because the mean of its divisors is an integer number (226980).

2^1316397 is an apocalyptic number.

It is an amenable number.

1316397 is a deficient number, since it is larger than the sum of its proper divisors (499443).

1316397 is a wasteful number, since it uses less digits than its factorization.

1316397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15163.

The product of its digits is 3402, while the sum is 30.

The square root of 1316397 is about 1147.3434533739. The cubic root of 1316397 is about 109.5962332429.

The spelling of 1316397 in words is "one million, three hundred sixteen thousand, three hundred ninety-seven".