12534318 has 16 divisors (see below), whose sum is σ = 27854160. Its totient is φ = 4178088.

The previous prime is 12534311. The next prime is 12534329. The reversal of 12534318 is 81343521.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12534291 and 12534300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534311) by changing a digit.

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, 116005 + ... + 116112.

It is an arithmetic number, because the mean of its divisors is an integer number (1740885).

Almost surely, 2^12534318 is an apocalyptic number.

12534318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12534318 is an abundant number, since it is smaller than the sum of its proper divisors (15319842).

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

12534318 is a wasteful number, since it uses less digits than its factorization.

12534318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232128 (or 232122 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12534318 is about 3540.3838774913. The cubic root of 12534318 is about 232.2916343390.

Adding to 12534318 its reverse (81343521), we get a palindrome (93877839).

It can be divided in two parts, 125 and 34318, that added together give a palindrome (34443).

The spelling of 12534318 in words is "twelve million, five hundred thirty-four thousand, three hundred eighteen".