19963113 has 8 divisors (see below), whose sum is σ = 26714688. Its totient is φ = 13260144.

The previous prime is 19963093. The next prime is 19963121. The reversal of 19963113 is 31136991.

It is a happy number.

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

It is not a de Polignac number, because 19963113 - 2⁵ = 19963081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19963133) 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, 11181 + ... + 12842.

It is an arithmetic number, because the mean of its divisors is an integer number (3339336).

Almost surely, 2^19963113 is an apocalyptic number.

It is an amenable number.

19963113 is a deficient number, since it is larger than the sum of its proper divisors (6751575).

19963113 is a wasteful number, since it uses less digits than its factorization.

19963113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24303.

The product of its digits is 4374, while the sum is 33.

The square root of 19963113 is about 4468.0099597024. The cubic root of 19963113 is about 271.2747810895.

The spelling of 19963113 in words is "nineteen million, nine hundred sixty-three thousand, one hundred thirteen".