1287416 has 16 divisors (see below), whose sum is σ = 2599800. Its totient is φ = 594144.

The previous prime is 1287401. The next prime is 1287431. The reversal of 1287416 is 6147821.

It is an interprime number because it is at equal distance from previous prime (1287401) and next prime (1287431).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6086 + ... + 6293.

2^1287416 is an apocalyptic number.

It is an amenable number.

1287416 is an abundant number, since it is smaller than the sum of its proper divisors (1312384).

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

1287416 is a wasteful number, since it uses less digits than its factorization.

1287416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12398 (or 12394 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 1287416 is about 1134.6435563647. The cubic root of 1287416 is about 108.7859897617.

The spelling of 1287416 in words is "one million, two hundred eighty-seven thousand, four hundred sixteen".