12537893 has 2 divisors, whose sum is σ = 12537894. Its totient is φ = 12537892.

The previous prime is 12537887. The next prime is 12537953. The reversal of 12537893 is 39873521.

12537893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12517444 + 20449 = 3538^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 12537893 - 2²² = 8343589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12537493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268946 + 6268947.

It is an arithmetic number, because the mean of its divisors is an integer number (6268947).

Almost surely, 2^12537893 is an apocalyptic number.

It is an amenable number.

12537893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12537893 is an equidigital number, since it uses as much as digits as its factorization.

12537893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 12537893 is about 3540.8887302484. Note that the first 3 decimals coincide. The cubic root of 12537893 is about 232.3137167438.

The spelling of 12537893 in words is "twelve million, five hundred thirty-seven thousand, eight hundred ninety-three".