2646013 has 2 divisors, whose sum is σ = 2646014. Its totient is φ = 2646012.

The previous prime is 2646011. The next prime is 2646019. The reversal of 2646013 is 3106462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 15129 = 1622^2 + 123^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646013 - 2¹ = 2646011 is a prime.

Together with 2646011, it forms a pair of twin primes.

2646013 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323006 + 1323007.

It is an arithmetic number, because the mean of its divisors is an integer number (1323007).

2^2646013 is an apocalyptic number.

It is an amenable number.

2646013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646013 is an equidigital number, since it uses as much as digits as its factorization.

2646013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2646013 is about 1626.6570013374. The cubic root of 2646013 is about 138.3133152756.

The spelling of 2646013 in words is "two million, six hundred forty-six thousand, thirteen".