1283016 has 48 divisors (see below), whose sum is σ = 3734640. Its totient is φ = 366240.

The previous prime is 1283011. The next prime is 1283017. The reversal of 1283016 is 6103821.

It is a super-2 number, since 2×1283016² = 3292260112512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1282983 and 1283001.

It is not an unprimeable number, because it can be changed into a prime (1283011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2^1283016 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 1283016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867320).

1283016 is an abundant number, since it is smaller than the sum of its proper divisors (2451624).

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

1283016 is a wasteful number, since it uses less digits than its factorization.

1283016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1283016 is about 1132.7029619455. The cubic root of 1283016 is about 108.6619157261.

Adding to 1283016 its reverse (6103821), we get a palindrome (7386837).

It can be divided in two parts, 12 and 83016, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 1283016 in words is "one million, two hundred eighty-three thousand, sixteen".