12499127 has 2 divisors, whose sum is σ = 12499128. Its totient is φ = 12499126.

The previous prime is 12499121. The next prime is 12499181. The reversal of 12499127 is 72199421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12499127 is a prime.

It is a Chen prime.

It is equal to p₈₁₈₆₅₇ and since 12499127 and 818657 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12499121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249563 + 6249564.

It is an arithmetic number, because the mean of its divisors is an integer number (6249564).

Almost surely, 2^12499127 is an apocalyptic number.

12499127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12499127 is an equidigital number, since it uses as much as digits as its factorization.

12499127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 12499127 is about 3535.4104429330. The cubic root of 12499127 is about 232.0740387455.

The spelling of 12499127 in words is "twelve million, four hundred ninety-nine thousand, one hundred twenty-seven".