1283406 has 8 divisors (see below), whose sum is σ = 2566824. Its totient is φ = 427800.

The previous prime is 1283389. The next prime is 1283417. The reversal of 1283406 is 6043821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1283406 is an admirable number.

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, 106945 + ... + 106956.

It is an arithmetic number, because the mean of its divisors is an integer number (320853).

2^1283406 is an apocalyptic number.

1283406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1283406 is a wasteful number, since it uses less digits than its factorization.

1283406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213906.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1283406 is about 1132.8751034426. The cubic root of 1283406 is about 108.6729246441.

The spelling of 1283406 in words is "one million, two hundred eighty-three thousand, four hundred six".