12530156 has 24 divisors (see below), whose sum is σ = 23456160. Its totient is φ = 5836032.

The previous prime is 12530149. The next prime is 12530159. The reversal of 12530156 is 65103521.

It is not an unprimeable number, because it can be changed into a prime (12530159) 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, 6110 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (977340).

Almost surely, 2^12530156 is an apocalyptic number.

It is an amenable number.

12530156 is a deficient number, since it is larger than the sum of its proper divisors (10926004).

12530156 is a wasteful number, since it uses less digits than its factorization.

12530156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 12530156 is about 3539.7960393220. The cubic root of 12530156 is about 232.2659208057.

Adding to 12530156 its reverse (65103521), we get a palindrome (77633677).

The spelling of 12530156 in words is "twelve million, five hundred thirty thousand, one hundred fifty-six".