12276427 has 2 divisors, whose sum is σ = 12276428. Its totient is φ = 12276426.

The previous prime is 12276409. The next prime is 12276463. The reversal of 12276427 is 72467221.

12276427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (72467221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12276427 is a prime.

It is not a weakly prime, because it can be changed into another prime (12276487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138213 + 6138214.

It is an arithmetic number, because the mean of its divisors is an integer number (6138214).

Almost surely, 2^12276427 is an apocalyptic number.

12276427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12276427 is an equidigital number, since it uses as much as digits as its factorization.

12276427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 12276427 is about 3503.7732517958. The cubic root of 12276427 is about 230.6874642483.

The spelling of 12276427 in words is "twelve million, two hundred seventy-six thousand, four hundred twenty-seven".