1317027 has 4 divisors (see below), whose sum is σ = 1756040. Its totient is φ = 878016.

The previous prime is 1317013. The next prime is 1317031. The reversal of 1317027 is 7207131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1317027 - 2⁶ = 1316963 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316994 and 1317012.

It is not an unprimeable number, because it can be changed into a prime (1317067) 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, 219502 + ... + 219507.

It is an arithmetic number, because the mean of its divisors is an integer number (439010).

2^1317027 is an apocalyptic number.

1317027 is a deficient number, since it is larger than the sum of its proper divisors (439013).

1317027 is an equidigital number, since it uses as much as digits as its factorization.

1317027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439012.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 1317027 is about 1147.6179677924. The cubic root of 1317027 is about 109.6137139410.

The spelling of 1317027 in words is "one million, three hundred seventeen thousand, twenty-seven".