1303275 has 12 divisors (see below), whose sum is σ = 2154872. Its totient is φ = 695040.

The previous prime is 1303261. The next prime is 1303279. The reversal of 1303275 is 5723031.

It is a happy number.

It is not a de Polignac number, because 1303275 - 2⁵ = 1303243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8614 + ... + 8763.

2^1303275 is an apocalyptic number.

1303275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1303275 is a deficient number, since it is larger than the sum of its proper divisors (851597).

1303275 is a wasteful number, since it uses less digits than its factorization.

1303275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390 (or 17385 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 1303275 is about 1141.6107042245. The cubic root of 1303275 is about 109.2308604697.

The spelling of 1303275 in words is "one million, three hundred three thousand, two hundred seventy-five".