13116747 has 8 divisors (see below), whose sum is σ = 19987456. Its totient is φ = 7495272.

The previous prime is 13116743. The next prime is 13116749. The reversal of 13116747 is 74761131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13116747 - 2² = 13116743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13116743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312283 + ... + 312324.

It is an arithmetic number, because the mean of its divisors is an integer number (2498432).

Almost surely, 2^13116747 is an apocalyptic number.

13116747 is a deficient number, since it is larger than the sum of its proper divisors (6870709).

13116747 is an equidigital number, since it uses as much as digits as its factorization.

13116747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624617.

The product of its digits is 3528, while the sum is 30.

The square root of 13116747 is about 3621.7049852245. The cubic root of 13116747 is about 235.8352472164.

Adding to 13116747 its reverse (74761131), we get a palindrome (87877878).

The spelling of 13116747 in words is "thirteen million, one hundred sixteen thousand, seven hundred forty-seven".