1026413 has 2 divisors, whose sum is σ = 1026414. Its totient is φ = 1026412.

The previous prime is 1026407. The next prime is 1026427. The reversal of 1026413 is 3146201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619369 + 407044 = 787^2 + 638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1026391 and 1026400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026313) 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, 513206 + 513207.

It is an arithmetic number, because the mean of its divisors is an integer number (513207).

2^1026413 is an apocalyptic number.

It is an amenable number.

1026413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026413 is an equidigital number, since it uses as much as digits as its factorization.

1026413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1026413 is about 1013.1204271951. The cubic root of 1026413 is about 100.8727934864.

The spelling of 1026413 in words is "one million, twenty-six thousand, four hundred thirteen".