19676113 has 4 divisors (see below), whose sum is σ = 19871028. Its totient is φ = 19481200.

The previous prime is 19676101. The next prime is 19676117. The reversal of 19676113 is 31167691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18558864 + 1117249 = 4308^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 19676113 - 2⁵ = 19676081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19676117) 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, 97306 + ... + 97507.

It is an arithmetic number, because the mean of its divisors is an integer number (4967757).

Almost surely, 2^19676113 is an apocalyptic number.

It is an amenable number.

19676113 is a deficient number, since it is larger than the sum of its proper divisors (194915).

19676113 is a wasteful number, since it uses less digits than its factorization.

19676113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194914.

The product of its digits is 6804, while the sum is 34.

The square root of 19676113 is about 4435.7764821956. The cubic root of 19676113 is about 269.9685057000.

The spelling of 19676113 in words is "nineteen million, six hundred seventy-six thousand, one hundred thirteen".