1317966 has 32 divisors (see below), whose sum is σ = 2895648. Its totient is φ = 397440.

The previous prime is 1317961. The next prime is 1317971. The reversal of 1317966 is 6697131.

It is an interprime number because it is at equal distance from previous prime (1317961) and next prime (1317971).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317961) 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, 4620 + ... + 4896.

It is an arithmetic number, because the mean of its divisors is an integer number (90489).

2^1317966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447824).

1317966 is an abundant number, since it is smaller than the sum of its proper divisors (1577682).

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

1317966 is a wasteful number, since it uses less digits than its factorization.

1317966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its digits is 6804, while the sum is 33.

The square root of 1317966 is about 1148.0270031667. The cubic root of 1317966 is about 109.6397581617.

The spelling of 1317966 in words is "one million, three hundred seventeen thousand, nine hundred sixty-six".