1353280 has 28 divisors (see below), whose sum is σ = 3223260. Its totient is φ = 541184.

The previous prime is 1353277. The next prime is 1353281. The reversal of 1353280 is 823531.

1353280 = T₉ + T₁₀ + ... + T₂₀₀.

It can be written as a sum of positive squares in 2 ways, for example, as 1048576 + 304704 = 1024^2 + 552^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1353281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795 + ... + 2434.

2^1353280 is an apocalyptic number.

1353280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1353280 is an abundant number, since it is smaller than the sum of its proper divisors (1869980).

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

1353280 is an equidigital number, since it uses as much as digits as its factorization.

1353280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1353280 is about 1163.3056348183. The cubic root of 1353280 is about 110.6103808871.

The spelling of 1353280 in words is "one million, three hundred fifty-three thousand, two hundred eighty".