1290013 has 2 divisors, whose sum is σ = 1290014. Its totient is φ = 1290012.

The previous prime is 1289971. The next prime is 1290019. The reversal of 1290013 is 3100921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974169 + 315844 = 987^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1290013 - 2¹³ = 1281821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645006 + 645007.

It is an arithmetic number, because the mean of its divisors is an integer number (645007).

2^1290013 is an apocalyptic number.

It is an amenable number.

1290013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290013 is an equidigital number, since it uses as much as digits as its factorization.

1290013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1290013 is about 1135.7873920765. The cubic root of 1290013 is about 108.8590890194.

Adding to 1290013 its reverse (3100921), we get a palindrome (4390934).

The spelling of 1290013 in words is "one million, two hundred ninety thousand, thirteen".