12742099 has 2 divisors, whose sum is σ = 12742100. Its totient is φ = 12742098.

The previous prime is 12742073. The next prime is 12742109. The reversal of 12742099 is 99024721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12742099 - 2¹⁹ = 12217811 is a prime.

It is a super-4 number, since 4×12742099⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12742399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6371049 + 6371050.

It is an arithmetic number, because the mean of its divisors is an integer number (6371050).

Almost surely, 2^12742099 is an apocalyptic number.

12742099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12742099 is an equidigital number, since it uses as much as digits as its factorization.

12742099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 12742099 is about 3569.6076815247. The cubic root of 12742099 is about 233.5681701467.

The spelling of 12742099 in words is "twelve million, seven hundred forty-two thousand, ninety-nine".