13116746 has 4 divisors (see below), whose sum is σ = 19675122. Its totient is φ = 6558372.

The previous prime is 13116743. The next prime is 13116749. The reversal of 13116746 is 64761131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13116743) and next prime (13116749).

It can be written as a sum of positive squares in only one way, i.e., 12924025 + 192721 = 3595^2 + 439^2 .

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 as a sum of consecutive naturals, namely, 3279185 + ... + 3279188.

Almost surely, 2^13116746 is an apocalyptic number.

13116746 is a deficient number, since it is larger than the sum of its proper divisors (6558376).

13116746 is an equidigital number, since it uses as much as digits as its factorization.

13116746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558375.

The product of its digits is 3024, while the sum is 29.

The square root of 13116746 is about 3621.7048471680. The cubic root of 13116746 is about 235.8352412231.

Adding to 13116746 its reverse (64761131), we get a palindrome (77877877).

The spelling of 13116746 in words is "thirteen million, one hundred sixteen thousand, seven hundred forty-six".