19965014 has 8 divisors (see below), whose sum is σ = 30284280. Its totient is φ = 9870256.

The previous prime is 19965013. The next prime is 19965019. The reversal of 19965014 is 41056991.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19965013) 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, 55904 + ... + 56259.

It is an arithmetic number, because the mean of its divisors is an integer number (3785535).

Almost surely, 2^19965014 is an apocalyptic number.

19965014 is a deficient number, since it is larger than the sum of its proper divisors (10319266).

19965014 is a wasteful number, since it uses less digits than its factorization.

19965014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112254.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 19965014 is about 4468.2226891685. Note that the first 3 decimals coincide. The cubic root of 19965014 is about 271.2833915867.

The spelling of 19965014 in words is "nineteen million, nine hundred sixty-five thousand, fourteen".