13130433 has 12 divisors (see below), whose sum is σ = 19277908. Its totient is φ = 8609760.

The previous prime is 13130419. The next prime is 13130441. The reversal of 13130433 is 33403131.

It can be written as a sum of positive squares in 2 ways, for example, as 3470769 + 9659664 = 1863^2 + 3108^2 .

It is not a de Polignac number, because 13130433 - 2⁸ = 13130177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13130473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11410 + ... + 12507.

Almost surely, 2^13130433 is an apocalyptic number.

It is an amenable number.

13130433 is a deficient number, since it is larger than the sum of its proper divisors (6147475).

13130433 is a wasteful number, since it uses less digits than its factorization.

13130433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23984 (or 23981 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13130433 is about 3623.5939342040. The cubic root of 13130433 is about 235.9172421213.

Adding to 13130433 its reverse (33403131), we get a palindrome (46533564).

The spelling of 13130433 in words is "thirteen million, one hundred thirty thousand, four hundred thirty-three".