1317371 has 16 divisors (see below), whose sum is σ = 1548288. Its totient is φ = 1108800.

The previous prime is 1317361. The next prime is 1317377. The reversal of 1317371 is 1737131.

It is not a de Polignac number, because 1317371 - 2⁶ = 1317307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10310 + ... + 10436.

It is an arithmetic number, because the mean of its divisors is an integer number (96768).

2^1317371 is an apocalyptic number.

1317371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1317371 is a deficient number, since it is larger than the sum of its proper divisors (230917).

1317371 is a wasteful number, since it uses less digits than its factorization.

1317371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its digits is 441, while the sum is 23.

The square root of 1317371 is about 1147.7678336667. The cubic root of 1317371 is about 109.6232566041.

The spelling of 1317371 in words is "one million, three hundred seventeen thousand, three hundred seventy-one".