13116718 has 4 divisors (see below), whose sum is σ = 19675080. Its totient is φ = 6558358.

The previous prime is 13116661. The next prime is 13116721. The reversal of 13116718 is 81761131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81761131 = 431 ⋅189701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279178 + ... + 3279181.

It is an arithmetic number, because the mean of its divisors is an integer number (4918770).

Almost surely, 2^13116718 is an apocalyptic number.

13116718 is a deficient number, since it is larger than the sum of its proper divisors (6558362).

13116718 is an equidigital number, since it uses as much as digits as its factorization.

13116718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558361.

The product of its digits is 1008, while the sum is 28.

The square root of 13116718 is about 3621.7009815831. The cubic root of 13116718 is about 235.8350734124.

Adding to 13116718 its reverse (81761131), we get a palindrome (94877849).

The spelling of 13116718 in words is "thirteen million, one hundred sixteen thousand, seven hundred eighteen".