13130623 has 4 divisors (see below), whose sum is σ = 14324328. Its totient is φ = 11936920.

The previous prime is 13130587. The next prime is 13130629. The reversal of 13130623 is 32603131.

13130623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130623 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 13130623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130629) 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, 596836 + ... + 596857.

It is an arithmetic number, because the mean of its divisors is an integer number (3581082).

Almost surely, 2^13130623 is an apocalyptic number.

13130623 is a deficient number, since it is larger than the sum of its proper divisors (1193705).

13130623 is a wasteful number, since it uses less digits than its factorization.

13130623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193704.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 13130623 is about 3623.6201511748. The cubic root of 13130623 is about 235.9183800391.

Adding to 13130623 its reverse (32603131), we get a palindrome (45733754).

The spelling of 13130623 in words is "thirteen million, one hundred thirty thousand, six hundred twenty-three".