1316387 has 8 divisors (see below), whose sum is σ = 1366512. Its totient is φ = 1267200.

The previous prime is 1316363. The next prime is 1316389. The reversal of 1316387 is 7836131.

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 1316387 - 2⁶ = 1316323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316389) 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, 3812 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (170814).

2^1316387 is an apocalyptic number.

1316387 is a deficient number, since it is larger than the sum of its proper divisors (50125).

1316387 is an equidigital number, since it uses as much as digits as its factorization.

1316387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its digits is 3024, while the sum is 29.

The square root of 1316387 is about 1147.3390954727. The cubic root of 1316387 is about 109.5959557266.

The spelling of 1316387 in words is "one million, three hundred sixteen thousand, three hundred eighty-seven".