12408534 has 24 divisors (see below), whose sum is σ = 27289080. Its totient is φ = 4074048.

The previous prime is 12408533. The next prime is 12408547. The reversal of 12408534 is 43580421.

12408534 is a `hidden beast` number, since 124 + 0 + 8 + 534 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12408498 and 12408507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3939 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1137045).

Almost surely, 2^12408534 is an apocalyptic number.

12408534 is an abundant number, since it is smaller than the sum of its proper divisors (14880546).

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

12408534 is a wasteful number, since it uses less digits than its factorization.

12408534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10364 (or 10361 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 12408534 is about 3522.5749104881. The cubic root of 12408534 is about 231.5119919399.

Adding to 12408534 its reverse (43580421), we get a palindrome (55988955).

The spelling of 12408534 in words is "twelve million, four hundred eight thousand, five hundred thirty-four".