1282830 has 32 divisors (see below), whose sum is σ = 3133728. Its totient is φ = 336000.

The previous prime is 1282817. The next prime is 1282867. The reversal of 1282830 is 382821.

It is a super-3 number, since 3×1282830³ = 6333278378523561000, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1282830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (97929).

2^1282830 is an apocalyptic number.

1282830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1282830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566864).

1282830 is an abundant number, since it is smaller than the sum of its proper divisors (1850898).

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

1282830 is a wasteful number, since it uses less digits than its factorization.

1282830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1282830 is about 1132.6208544787. The cubic root of 1282830 is about 108.6566645333.

Subtracting from 1282830 its reverse (382821), we obtain a palindrome (900009).

It can be divided in two parts, 1282 and 830, that added together give a palindrome (2112).

The spelling of 1282830 in words is "one million, two hundred eighty-two thousand, eight hundred thirty".