12530412 has 36 divisors (see below), whose sum is σ = 31927896. Its totient is φ = 4143360.

The previous prime is 12530393. The next prime is 12530429. The reversal of 12530412 is 21403521.

12530412 is a `hidden beast` number, since 1 + 253 + 0 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12530412² = 314022449779488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3388 + ... + 6044.

It is an arithmetic number, because the mean of its divisors is an integer number (886886).

Almost surely, 2^12530412 is an apocalyptic number.

12530412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12530412 is an abundant number, since it is smaller than the sum of its proper divisors (19397484).

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

12530412 is a wasteful number, since it uses less digits than its factorization.

12530412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12530412 is about 3539.8321994128. The cubic root of 12530412 is about 232.2675025809.

Adding to 12530412 its reverse (21403521), we get a palindrome (33933933).

It can be divided in two parts, 125304 and 12, that added together give a square (125316 = 354²).

The spelling of 12530412 in words is "twelve million, five hundred thirty thousand, four hundred twelve".