13116329 has 4 divisors (see below), whose sum is σ = 13243776. Its totient is φ = 12988884.

The previous prime is 13116319. The next prime is 13116331. The reversal of 13116329 is 92361131.

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.

It is a cyclic number.

It is not a de Polignac number, because 13116329 - 2¹² = 13112233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13116298 and 13116307.

It is not an unprimeable number, because it can be changed into a prime (13116319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63569 + ... + 63774.

It is an arithmetic number, because the mean of its divisors is an integer number (3310944).

Almost surely, 2^13116329 is an apocalyptic number.

It is an amenable number.

13116329 is a deficient number, since it is larger than the sum of its proper divisors (127447).

13116329 is a wasteful number, since it uses less digits than its factorization.

13116329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127446.

The product of its digits is 972, while the sum is 26.

The square root of 13116329 is about 3621.6472771378. The cubic root of 13116329 is about 235.8327420175.

The spelling of 13116329 in words is "thirteen million, one hundred sixteen thousand, three hundred twenty-nine".