19741013 has 2 divisors, whose sum is σ = 19741014. Its totient is φ = 19741012.

The previous prime is 19741009. The next prime is 19741031. The reversal of 19741013 is 31014791.

Together with next prime (19741031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19562929 + 178084 = 4423^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 19741013 - 2² = 19741009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19740013) 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, 9870506 + 9870507.

It is an arithmetic number, because the mean of its divisors is an integer number (9870507).

Almost surely, 2^19741013 is an apocalyptic number.

It is an amenable number.

19741013 is a deficient number, since it is larger than the sum of its proper divisors (1).

19741013 is an equidigital number, since it uses as much as digits as its factorization.

19741013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 19741013 is about 4443.0859771110. The cubic root of 19741013 is about 270.2650027342.

The spelling of 19741013 in words is "nineteen million, seven hundred forty-one thousand, thirteen".