1283072 has 44 divisors (see below), whose sum is σ = 2947680. Its totient is φ = 546816.

The previous prime is 1283069. The next prime is 1283083. The reversal of 1283072 is 2703821.

It is a congruent number.

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, 7079 + ... + 7257.

2^1283072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473840).

1283072 is an abundant number, since it is smaller than the sum of its proper divisors (1664608).

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

1283072 is an equidigital number, since it uses as much as digits as its factorization.

1283072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1283072 is about 1132.7276813074. The cubic root of 1283072 is about 108.6634966309.

Adding to 1283072 its reverse (2703821), we get a palindrome (3986893).

The spelling of 1283072 in words is "one million, two hundred eighty-three thousand, seventy-two".