12567101 has 2 divisors, whose sum is σ = 12567102. Its totient is φ = 12567100.

The previous prime is 12567091. The next prime is 12567103. The reversal of 12567101 is 10176521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8265625 + 4301476 = 2875^2 + 2074^2 .

It is an emirp because it is prime and its reverse (10176521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12567101 is a prime.

Together with 12567103, 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 (12567103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6283550 + 6283551.

It is an arithmetic number, because the mean of its divisors is an integer number (6283551).

Almost surely, 2^12567101 is an apocalyptic number.

It is an amenable number.

12567101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12567101 is an equidigital number, since it uses as much as digits as its factorization.

12567101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 12567101 is about 3545.0107193068. The cubic root of 12567101 is about 232.4939744845.

The spelling of 12567101 in words is "twelve million, five hundred sixty-seven thousand, one hundred one".