1303885 has 16 divisors (see below), whose sum is σ = 1729152. Its totient is φ = 936000.

The previous prime is 1303879. The next prime is 1303903. The reversal of 1303885 is 5883031.

It is not a de Polignac number, because 1303885 - 2¹⁵ = 1271117 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8227 + ... + 8383.

It is an arithmetic number, because the mean of its divisors is an integer number (108072).

2^1303885 is an apocalyptic number.

It is an amenable number.

1303885 is a deficient number, since it is larger than the sum of its proper divisors (425267).

1303885 is a wasteful number, since it uses less digits than its factorization.

1303885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1303885 is about 1141.8778393506. The cubic root of 1303885 is about 109.2478997060.

The spelling of 1303885 in words is "one million, three hundred three thousand, eight hundred eighty-five".