1282913 has 2 divisors, whose sum is σ = 1282914. Its totient is φ = 1282912.

The previous prime is 1282909. The next prime is 1282933. The reversal of 1282913 is 3192821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 717409 + 565504 = 847^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282913 - 2² = 1282909 is a prime.

It is not a weakly prime, because it can be changed into another prime (1282903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641456 + 641457.

It is an arithmetic number, because the mean of its divisors is an integer number (641457).

2^1282913 is an apocalyptic number.

It is an amenable number.

1282913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282913 is an equidigital number, since it uses as much as digits as its factorization.

1282913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 1282913 is about 1132.6574945675. The cubic root of 1282913 is about 108.6590078702.

The spelling of 1282913 in words is "one million, two hundred eighty-two thousand, nine hundred thirteen".