12008427 has 8 divisors (see below), whose sum is σ = 16230864. Its totient is φ = 7895808.

The previous prime is 12008419. The next prime is 12008431. The reversal of 12008427 is 72480021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12008427 - 2³ = 12008419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12008397 and 12008406.

It is not an unprimeable number, because it can be changed into a prime (12008417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27198 + ... + 27635.

It is an arithmetic number, because the mean of its divisors is an integer number (2028858).

Almost surely, 2^12008427 is an apocalyptic number.

12008427 is a deficient number, since it is larger than the sum of its proper divisors (4222437).

12008427 is an equidigital number, since it uses as much as digits as its factorization.

12008427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54909.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12008427 is about 3465.3177343499. The cubic root of 12008427 is about 228.9964276758.

Adding to 12008427 its reverse (72480021), we get a palindrome (84488448).

It can be divided in two parts, 1200 and 8427, that multiplied together give a square (10112400 = 3180²).

The spelling of 12008427 in words is "twelve million, eight thousand, four hundred twenty-seven".