13130747 has 4 divisors (see below), whose sum is σ = 15006576. Its totient is φ = 11254920.

The previous prime is 13130743. The next prime is 13130759. The reversal of 13130747 is 74703131.

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

It is a cyclic number.

It is not a de Polignac number, because 13130747 - 2² = 13130743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13130743) 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, 937904 + ... + 937917.

It is an arithmetic number, because the mean of its divisors is an integer number (3751644).

Almost surely, 2^13130747 is an apocalyptic number.

13130747 is a deficient number, since it is larger than the sum of its proper divisors (1875829).

13130747 is an equidigital number, since it uses as much as digits as its factorization.

13130747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875828.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 13130747 is about 3623.6372610955. The cubic root of 13130747 is about 235.9191226743.

Adding to 13130747 its reverse (74703131), we get a palindrome (87833878).

The spelling of 13130747 in words is "thirteen million, one hundred thirty thousand, seven hundred forty-seven".