19700013 has 8 divisors (see below), whose sum is σ = 26289376. Its totient is φ = 13122000.

The previous prime is 19699997. The next prime is 19700027. The reversal of 19700013 is 31000791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19700013 - 2⁴ = 19699997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19700033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838 + ... + 6888.

It is an arithmetic number, because the mean of its divisors is an integer number (3286172).

Almost surely, 2^19700013 is an apocalyptic number.

It is an amenable number.

19700013 is a deficient number, since it is larger than the sum of its proper divisors (6589363).

19700013 is a wasteful number, since it uses less digits than its factorization.

19700013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 19700013 is about 4438.4696687034. The cubic root of 19700013 is about 270.0777690929.

The spelling of 19700013 in words is "nineteen million, seven hundred thousand, thirteen".