1350280 has 16 divisors (see below), whose sum is σ = 3038220. Its totient is φ = 540096.

The previous prime is 1350277. The next prime is 1350287. The reversal of 1350280 is 820531.

1350280 = 293² + 294² + ... + 307².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 36 = 1162^2 + 6^2 .

It is not an unprimeable number, because it can be changed into a prime (1350287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16839 + ... + 16918.

2^1350280 is an apocalyptic number.

1350280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350280 is an abundant number, since it is smaller than the sum of its proper divisors (1687940).

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

1350280 is a wasteful number, since it uses less digits than its factorization.

1350280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33768 (or 33764 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1350280 is about 1162.0154904303. The cubic root of 1350280 is about 110.5285853852.

The spelling of 1350280 in words is "one million, three hundred fifty thousand, two hundred eighty".