1283260 has 48 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 440640.

The previous prime is 1283237. The next prime is 1283297. The reversal of 1283260 is 623821.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 15 ways as a sum of consecutive naturals, for example, 4027 + ... + 4333.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2^1283260 is an apocalyptic number.

1283260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552320).

1283260 is an abundant number, since it is smaller than the sum of its proper divisors (1821380).

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

1283260 is a wasteful number, since it uses less digits than its factorization.

1283260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1283260 is about 1132.8106637916. The cubic root of 1283260 is about 108.6688036180.

The spelling of 1283260 in words is "one million, two hundred eighty-three thousand, two hundred sixty".