18876713 has 4 divisors (see below), whose sum is σ = 18889728. Its totient is φ = 18863700.

The previous prime is 18876703. The next prime is 18876731. The reversal of 18876713 is 31767881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31767881 = 4259 ⋅7459.

It is a cyclic number.

It is not a de Polignac number, because 18876713 - 2⁸ = 18876457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18876703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (4722432).

Almost surely, 2^18876713 is an apocalyptic number.

It is an amenable number.

18876713 is a deficient number, since it is larger than the sum of its proper divisors (13015).

18876713 is a wasteful number, since it uses less digits than its factorization.

18876713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014.

The product of its digits is 56448, while the sum is 41.

The square root of 18876713 is about 4344.7339389196. The cubic root of 18876713 is about 266.2617554524.

The spelling of 18876713 in words is "eighteen million, eight hundred seventy-six thousand, seven hundred thirteen".