1287336 has 16 divisors (see below), whose sum is σ = 3218400. Its totient is φ = 429104.

The previous prime is 1287329. The next prime is 1287343. The reversal of 1287336 is 6337821.

It is an interprime number because it is at equal distance from previous prime (1287329) and next prime (1287343).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26796 + ... + 26843.

It is an arithmetic number, because the mean of its divisors is an integer number (201150).

2^1287336 is an apocalyptic number.

It is an amenable number.

1287336 is an abundant number, since it is smaller than the sum of its proper divisors (1931064).

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

1287336 is a wasteful number, since it uses less digits than its factorization.

1287336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53648 (or 53644 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1287336 is about 1134.6083024551. The cubic root of 1287336 is about 108.7837363954.

The spelling of 1287336 in words is "one million, two hundred eighty-seven thousand, three hundred thirty-six".