13000530 has 16 divisors (see below), whose sum is σ = 31201344. Its totient is φ = 3466800.

The previous prime is 13000511. The next prime is 13000553. The reversal of 13000530 is 3500031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216646 + ... + 216705.

It is an arithmetic number, because the mean of its divisors is an integer number (1950084).

Almost surely, 2^13000530 is an apocalyptic number.

13000530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13000530 is an abundant number, since it is smaller than the sum of its proper divisors (18200814).

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

13000530 is a wasteful number, since it uses less digits than its factorization.

13000530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433361.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 13000530 is about 3605.6247724909. The cubic root of 13000530 is about 235.1366641322.

Adding to 13000530 its reverse (3500031), we get a palindrome (16500561).

It can be divided in two parts, 13000 and 530, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 13000530 in words is "thirteen million, five hundred thirty", and thus it is an aban number.