19960693 has 4 divisors (see below), whose sum is σ = 20213440. Its totient is φ = 19707948.

The previous prime is 19960691. The next prime is 19960739. The reversal of 19960693 is 39606991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19960693 - 2¹ = 19960691 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 (19960691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126255 + ... + 126412.

It is an arithmetic number, because the mean of its divisors is an integer number (5053360).

Almost surely, 2^19960693 is an apocalyptic number.

It is an amenable number.

19960693 is a deficient number, since it is larger than the sum of its proper divisors (252747).

19960693 is an equidigital number, since it uses as much as digits as its factorization.

19960693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252746.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 19960693 is about 4467.7391374161. The cubic root of 19960693 is about 271.2638190132.

The spelling of 19960693 in words is "nineteen million, nine hundred sixty thousand, six hundred ninety-three".