19706960 has 80 divisors (see below), whose sum is σ = 56413056. Its totient is φ = 6234624.

The previous prime is 19706941. The next prime is 19706963. The reversal of 19706960 is 6960791.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19706963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5927 + ... + 8633.

Almost surely, 2^19706960 is an apocalyptic number.

19706960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19706960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28206528).

19706960 is an abundant number, since it is smaller than the sum of its proper divisors (36706096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19706960 is a wasteful number, since it uses less digits than its factorization.

19706960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 19706960 is about 4439.2521892769. The cubic root of 19706960 is about 270.1095120459.

The spelling of 19706960 in words is "nineteen million, seven hundred six thousand, nine hundred sixty".