1282512 has 80 divisors (see below), whose sum is σ = 4142592. Its totient is φ = 332160.

The previous prime is 1282511. The next prime is 1282513. The reversal of 1282512 is 2152821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1282511) and next prime (1282513).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3523 + ... + 3869.

2^1282512 is an apocalyptic number.

1282512 is a gapful number since it is divisible by the number (12) 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 1282512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2071296).

1282512 is an abundant number, since it is smaller than the sum of its proper divisors (2860080).

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

1282512 is a wasteful number, since it uses less digits than its factorization.

1282512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 370 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 1282512 is about 1132.4804634076. The cubic root of 1282512 is about 108.6476855117.

The spelling of 1282512 in words is "one million, two hundred eighty-two thousand, five hundred twelve".