1317321006 has 16 divisors (see below), whose sum is σ = 2719630848. Its totient is φ = 424942200.

The previous prime is 1317321001. The next prime is 1317321011. The reversal of 1317321006 is 6001237131.

It is an interprime number because it is at equal distance from previous prime (1317321001) and next prime (1317321011).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317321001) 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, 3541000 + ... + 3541371.

It is an arithmetic number, because the mean of its divisors is an integer number (169976928).

Almost surely, 2^1317321006 is an apocalyptic number.

1317321006 is an abundant number, since it is smaller than the sum of its proper divisors (1402309842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317321006 is a wasteful number, since it uses less digits than its factorization.

1317321006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082407.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1317321006 is about 36294.9170821480. The cubic root of 1317321006 is about 1096.2186985875.

Adding to 1317321006 its reverse (6001237131), we get a palindrome (7318558137).

The spelling of 1317321006 in words is "one billion, three hundred seventeen million, three hundred twenty-one thousand, six".