1345013 has 2 divisors, whose sum is σ = 1345014. Its totient is φ = 1345012.

The previous prime is 1345009. The next prime is 1345027. The reversal of 1345013 is 3105431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 380689 = 982^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345013 - 2² = 1345009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1344982 and 1345000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672506 + 672507.

It is an arithmetic number, because the mean of its divisors is an integer number (672507).

2^1345013 is an apocalyptic number.

It is an amenable number.

1345013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345013 is an equidigital number, since it uses as much as digits as its factorization.

1345013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1345013 is about 1159.7469551588. The cubic root of 1345013 is about 110.3846861854.

The spelling of 1345013 in words is "one million, three hundred forty-five thousand, thirteen".