12103277 has 2 divisors, whose sum is σ = 12103278. Its totient is φ = 12103276.

The previous prime is 12103271. The next prime is 12103279. The reversal of 12103277 is 77230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10201636 + 1901641 = 3194^2 + 1379^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103277 - 2⁶ = 12103213 is a prime.

Together with 12103279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051638 + 6051639.

It is an arithmetic number, because the mean of its divisors is an integer number (6051639).

Almost surely, 2^12103277 is an apocalyptic number.

It is an amenable number.

12103277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103277 is an equidigital number, since it uses as much as digits as its factorization.

12103277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 12103277 is about 3478.9764299288. The cubic root of 12103277 is about 229.5977657740.

Adding to 12103277 its reverse (77230121), we get a palindrome (89333398).

The spelling of 12103277 in words is "twelve million, one hundred three thousand, two hundred seventy-seven".