12549113 has 2 divisors, whose sum is σ = 12549114. Its totient is φ = 12549112.

The previous prime is 12549091. The next prime is 12549127. The reversal of 12549113 is 31194521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12306064 + 243049 = 3508^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 12549113 - 2⁶ = 12549049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12549133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274556 + 6274557.

It is an arithmetic number, because the mean of its divisors is an integer number (6274557).

Almost surely, 2^12549113 is an apocalyptic number.

It is an amenable number.

12549113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12549113 is an equidigital number, since it uses as much as digits as its factorization.

12549113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 12549113 is about 3542.4727239599. The cubic root of 12549113 is about 232.3829942735.

The spelling of 12549113 in words is "twelve million, five hundred forty-nine thousand, one hundred thirteen".