13000030 has 16 divisors (see below), whose sum is σ = 23522400. Its totient is φ = 5172832.

The previous prime is 13000027. The next prime is 13000049. The reversal of 13000030 is 3000031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12999977 and 13000022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1470150).

Almost surely, 2^13000030 is an apocalyptic number.

13000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13000030 is a deficient number, since it is larger than the sum of its proper divisors (10522370).

13000030 is a wasteful number, since it uses less digits than its factorization.

13000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 13000030 is about 3605.5554357131. Note that the first 3 decimals coincide. The cubic root of 13000030 is about 235.1336496438.

Adding to 13000030 its reverse (3000031), we get a palindrome (16000061).

Subtracting from 13000030 its reverse (3000031), we obtain a palindrome (9999999).

The spelling of 13000030 in words is "thirteen million, thirty", and thus it is an aban number and an uban number.