1282513 has 2 divisors, whose sum is σ = 1282514. Its totient is φ = 1282512.

The previous prime is 1282511. The next prime is 1282517. The reversal of 1282513 is 3152821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 1089 = 1132^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282513 - 2¹ = 1282511 is a prime.

Together with 1282511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1282511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641256 + 641257.

It is an arithmetic number, because the mean of its divisors is an integer number (641257).

2^1282513 is an apocalyptic number.

It is an amenable number.

1282513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282513 is an equidigital number, since it uses as much as digits as its factorization.

1282513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 1282513 is about 1132.4809049163. The cubic root of 1282513 is about 108.6477137499.

The spelling of 1282513 in words is "one million, two hundred eighty-two thousand, five hundred thirteen".