1317260 has 36 divisors (see below), whose sum is σ = 3194352. Its totient is φ = 446976.

The previous prime is 1317259. The next prime is 1317271. The reversal of 1317260 is 627131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13532 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (88732).

2^1317260 is an apocalyptic number.

1317260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597176).

1317260 is an abundant number, since it is smaller than the sum of its proper divisors (1877092).

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

1317260 is an equidigital number, since it uses as much as digits as its factorization.

1317260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1317260 is about 1147.7194779213. The cubic root of 1317260 is about 109.6201776124.

The spelling of 1317260 in words is "one million, three hundred seventeen thousand, two hundred sixty".