1317330 has 128 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 276480.

The previous prime is 1317319. The next prime is 1317359. The reversal of 1317330 is 337131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32110 + ... + 32150.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2^1317330 is an apocalyptic number.

1317330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177280).

1317330 is an abundant number, since it is smaller than the sum of its proper divisors (3037230).

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

1317330 is a wasteful number, since it uses less digits than its factorization.

1317330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 1317330 is about 1147.7499727728. The cubic root of 1317330 is about 109.6221193390.

It can be divided in two parts, 13173 and 30, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 1317330 in words is "one million, three hundred seventeen thousand, three hundred thirty".