12227377 has 2 divisors, whose sum is σ = 12227378. Its totient is φ = 12227376.

The previous prime is 12227359. The next prime is 12227419. The reversal of 12227377 is 77372221.

12227377 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11895601 + 331776 = 3449^2 + 576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12227377 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12227077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113688 + 6113689.

It is an arithmetic number, because the mean of its divisors is an integer number (6113689).

Almost surely, 2^12227377 is an apocalyptic number.

It is an amenable number.

12227377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12227377 is an equidigital number, since it uses as much as digits as its factorization.

12227377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8232, while the sum is 31.

The square root of 12227377 is about 3496.7666493491. The cubic root of 12227377 is about 230.3798198089.

Adding to 12227377 its reverse (77372221), we get a palindrome (89599598).

The spelling of 12227377 in words is "twelve million, two hundred twenty-seven thousand, three hundred seventy-seven".