19913096 has 16 divisors (see below), whose sum is σ = 42671040. Its totient is φ = 8534160.

The previous prime is 19913071. The next prime is 19913099. The reversal of 19913096 is 69031991.

It is not an unprimeable number, because it can be changed into a prime (19913099) 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 in 3 ways as a sum of consecutive naturals, for example, 177740 + ... + 177851.

It is an arithmetic number, because the mean of its divisors is an integer number (2666940).

Almost surely, 2^19913096 is an apocalyptic number.

It is an amenable number.

19913096 is an abundant number, since it is smaller than the sum of its proper divisors (22757944).

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

19913096 is a wasteful number, since it uses less digits than its factorization.

19913096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355604 (or 355600 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 19913096 is about 4462.4092147628. The cubic root of 19913096 is about 271.0480345858.

The spelling of 19913096 in words is "nineteen million, nine hundred thirteen thousand, ninety-six".