1303887 has 16 divisors (see below), whose sum is σ = 1904000. Its totient is φ = 788832.

The previous prime is 1303879. The next prime is 1303903. The reversal of 1303887 is 7883031.

It is not a de Polignac number, because 1303887 - 2³ = 1303879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303807) 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 15 ways as a sum of consecutive naturals, for example, 2364 + ... + 2862.

It is an arithmetic number, because the mean of its divisors is an integer number (119000).

2^1303887 is an apocalyptic number.

1303887 is a deficient number, since it is larger than the sum of its proper divisors (600113).

1303887 is a wasteful number, since it uses less digits than its factorization.

1303887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1303887 is about 1141.8787151007. The cubic root of 1303887 is about 109.2479555636.

The spelling of 1303887 in words is "one million, three hundred three thousand, eight hundred eighty-seven".