13000830 has 16 divisors (see below), whose sum is σ = 31202064. Its totient is φ = 3466880.

The previous prime is 13000829. The next prime is 13000831. The reversal of 13000830 is 3800031.

13000830 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13000829) and next prime (13000831).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216651 + ... + 216710.

It is an arithmetic number, because the mean of its divisors is an integer number (1950129).

Almost surely, 2^13000830 is an apocalyptic number.

13000830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13000830 is an abundant number, since it is smaller than the sum of its proper divisors (18201234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13000830 is a wasteful number, since it uses less digits than its factorization.

13000830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433371.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13000830 is about 3605.6663739176. Note that the first 3 decimals coincide. The cubic root of 13000830 is about 235.1384727881.

Adding to 13000830 its reverse (3800031), we get a palindrome (16800861).

The spelling of 13000830 in words is "thirteen million, eight hundred thirty", and thus it is an aban number.