12427506 has 96 divisors (see below), whose sum is σ = 34489728. Its totient is φ = 3265920.

The previous prime is 12427489. The next prime is 12427511. The reversal of 12427506 is 60572421.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 12427506.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 44086 + ... + 44366.

It is an arithmetic number, because the mean of its divisors is an integer number (359268).

Almost surely, 2^12427506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12427506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17244864).

12427506 is an abundant number, since it is smaller than the sum of its proper divisors (22062222).

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

12427506 is a wasteful number, since it uses less digits than its factorization.

12427506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12427506 is about 3525.2667984140. The cubic root of 12427506 is about 231.6299217697.

Adding to 12427506 its reverse (60572421), we get a palindrome (72999927).

The spelling of 12427506 in words is "twelve million, four hundred twenty-seven thousand, five hundred six".