1287338 has 16 divisors (see below), whose sum is σ = 2113440. Its totient is φ = 584496.

The previous prime is 1287329. The next prime is 1287343. The reversal of 1287338 is 8337821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (132090).

2^1287338 is an apocalyptic number.

1287338 is a deficient number, since it is larger than the sum of its proper divisors (826102).

1287338 is a wasteful number, since it uses less digits than its factorization.

1287338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its digits is 8064, while the sum is 32.

The square root of 1287338 is about 1134.6091838162. The cubic root of 1287338 is about 108.7837927307.

The spelling of 1287338 in words is "one million, two hundred eighty-seven thousand, three hundred thirty-eight".