13124530 has 32 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 5019840.

The previous prime is 13124521. The next prime is 13124533. The reversal of 13124530 is 3542131.

It is a junction number, because it is equal to n+sod(n) for n = 13124498 and 13124507.

It is not an unprimeable number, because it can be changed into a prime (13124533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48295 + ... + 48565.

It is an arithmetic number, because the mean of its divisors is an integer number (771120).

Almost surely, 2^13124530 is an apocalyptic number.

13124530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13124530 is a deficient number, since it is larger than the sum of its proper divisors (11551310).

13124530 is a wasteful number, since it uses less digits than its factorization.

13124530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13124530 is about 3622.7793198041. The cubic root of 13124530 is about 235.8818833426.

Adding to 13124530 its reverse (3542131), we get a palindrome (16666661).

The spelling of 13124530 in words is "thirteen million, one hundred twenty-four thousand, five hundred thirty".