13118678 has 4 divisors (see below), whose sum is σ = 19678020. Its totient is φ = 6559338.

The previous prime is 13118669. The next prime is 13118711. The reversal of 13118678 is 87681131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87681131 = 2087 ⋅42013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279668 + ... + 3279671.

It is an arithmetic number, because the mean of its divisors is an integer number (4919505).

Almost surely, 2^13118678 is an apocalyptic number.

13118678 is a deficient number, since it is larger than the sum of its proper divisors (6559342).

13118678 is an equidigital number, since it uses as much as digits as its factorization.

13118678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559341.

The product of its digits is 8064, while the sum is 35.

The square root of 13118678 is about 3621.9715625609. The cubic root of 13118678 is about 235.8468195856.

The spelling of 13118678 in words is "thirteen million, one hundred eighteen thousand, six hundred seventy-eight".