12542093 has 2 divisors, whose sum is σ = 12542094. Its totient is φ = 12542092.

The previous prime is 12542087. The next prime is 12542099. The reversal of 12542093 is 39024521.

It is a balanced prime because it is at equal distance from previous prime (12542087) and next prime (12542099).

It can be written as a sum of positive squares in only one way, i.e., 12517444 + 24649 = 3538^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 12542093 - 2⁶ = 12542029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12542099) 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, 6271046 + 6271047.

It is an arithmetic number, because the mean of its divisors is an integer number (6271047).

Almost surely, 2^12542093 is an apocalyptic number.

It is an amenable number.

12542093 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542093 is an equidigital number, since it uses as much as digits as its factorization.

12542093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12542093 is about 3541.4817520354. The cubic root of 12542093 is about 232.3396543470.

It can be divided in two parts, 125 and 42093, that multiplied together give a palindrome (5261625).

The spelling of 12542093 in words is "twelve million, five hundred forty-two thousand, ninety-three".