1311360 has 64 divisors (see below), whose sum is σ = 4186080. Its totient is φ = 349184.

The previous prime is 1311353. The next prime is 1311367. The reversal of 1311360 is 631131.

It is an interprime number because it is at equal distance from previous prime (1311353) and next prime (1311367).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1311367) 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, 1579 + ... + 2261.

2^1311360 is an apocalyptic number.

1311360 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 1311360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2093040).

1311360 is an abundant number, since it is smaller than the sum of its proper divisors (2874720).

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

1311360 is an equidigital number, since it uses as much as digits as its factorization.

1311360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1311360 is about 1145.1462788657. The cubic root of 1311360 is about 109.4562699384.

Adding to 1311360 its reverse (631131), we get a palindrome (1942491).

The spelling of 1311360 in words is "one million, three hundred eleven thousand, three hundred sixty".