13125830 has 8 divisors (see below), whose sum is σ = 23626512. Its totient is φ = 5250328.

The previous prime is 13125817. The next prime is 13125839. The reversal of 13125830 is 3852131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13125796 and 13125805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125839) 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, 656282 + ... + 656301.

It is an arithmetic number, because the mean of its divisors is an integer number (2953314).

Almost surely, 2^13125830 is an apocalyptic number.

13125830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13125830 is a deficient number, since it is larger than the sum of its proper divisors (10500682).

13125830 is a wasteful number, since it uses less digits than its factorization.

13125830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312590.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13125830 is about 3622.9587356193. The cubic root of 13125830 is about 235.8896712107.

Adding to 13125830 its reverse (3852131), we get a palindrome (16977961).

The spelling of 13125830 in words is "thirteen million, one hundred twenty-five thousand, eight hundred thirty".