12206427 has 8 divisors (see below), whose sum is σ = 16433664. Its totient is φ = 8058408.

The previous prime is 12206423. The next prime is 12206437. The reversal of 12206427 is 72460221.

12206427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12206427 - 2² = 12206423 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12206397 and 12206406.

It is not an unprimeable number, because it can be changed into a prime (12206423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19443 + ... + 20060.

It is an arithmetic number, because the mean of its divisors is an integer number (2054208).

Almost surely, 2^12206427 is an apocalyptic number.

12206427 is a deficient number, since it is larger than the sum of its proper divisors (4227237).

12206427 is a wasteful number, since it uses less digits than its factorization.

12206427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39609.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 12206427 is about 3493.7697405525. The cubic root of 12206427 is about 230.2481694326.

Adding to 12206427 its reverse (72460221), we get a palindrome (84666648).

The spelling of 12206427 in words is "twelve million, two hundred six thousand, four hundred twenty-seven".