13130757 has 6 divisors (see below), whose sum is σ = 18966662. Its totient is φ = 8753832.

The previous prime is 13130743. The next prime is 13130759. The reversal of 13130757 is 75703131.

It can be written as a sum of positive squares in only one way, i.e., 12489156 + 641601 = 3534^2 + 801^2 .

It is not a de Polignac number, because 13130757 - 2⁶ = 13130693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13130757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729478 + ... + 729495.

Almost surely, 2^13130757 is an apocalyptic number.

It is an amenable number.

13130757 is a deficient number, since it is larger than the sum of its proper divisors (5835905).

13130757 is a wasteful number, since it uses less digits than its factorization.

13130757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458979 (or 1458976 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 13130757 is about 3623.6386409243. The cubic root of 13130757 is about 235.9191825640.

Adding to 13130757 its reverse (75703131), we get a palindrome (88833888).

The spelling of 13130757 in words is "thirteen million, one hundred thirty thousand, seven hundred fifty-seven".