2940013 has 2 divisors, whose sum is σ = 2940014. Its totient is φ = 2940012.

The previous prime is 2940011. The next prime is 2940043. The reversal of 2940013 is 3100492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2829124 + 110889 = 1682^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2940013 - 2¹ = 2940011 is a prime.

Together with 2940011, it forms a pair of twin primes.

It is equal to p₂₁₂₈₀₆ and since 2940013 and 212806 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940011) 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, 1470006 + 1470007.

It is an arithmetic number, because the mean of its divisors is an integer number (1470007).

2^2940013 is an apocalyptic number.

It is an amenable number.

2940013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940013 is an equidigital number, since it uses as much as digits as its factorization.

2940013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2940013 is about 1714.6466108210. The cubic root of 2940013 is about 143.2571862826.

The spelling of 2940013 in words is "two million, nine hundred forty thousand, thirteen".