1310280 has 64 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 341760.

The previous prime is 1310279. The next prime is 1310293. The reversal of 1310280 is 820131.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7231 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (62775).

2^1310280 is an apocalyptic number.

1310280 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 1310280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008800).

1310280 is an abundant number, since it is smaller than the sum of its proper divisors (2707320).

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

1310280 is a wasteful number, since it uses less digits than its factorization.

1310280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1310280 is about 1144.6746262585. The cubic root of 1310280 is about 109.4262132953.

The spelling of 1310280 in words is "one million, three hundred ten thousand, two hundred eighty".