13116386 has 4 divisors (see below), whose sum is σ = 19674582. Its totient is φ = 6558192.

The previous prime is 13116373. The next prime is 13116391. The reversal of 13116386 is 68361131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68361131 = 17 ⋅4021243.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 2193361 = 3305^2 + 1481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279095 + ... + 3279098.

Almost surely, 2^13116386 is an apocalyptic number.

13116386 is a deficient number, since it is larger than the sum of its proper divisors (6558196).

13116386 is an equidigital number, since it uses as much as digits as its factorization.

13116386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558195.

The product of its digits is 2592, while the sum is 29.

The square root of 13116386 is about 3621.6551464765. The cubic root of 13116386 is about 235.8330836386.

The spelling of 13116386 in words is "thirteen million, one hundred sixteen thousand, three hundred eighty-six".