12488857 has 2 divisors, whose sum is σ = 12488858. Its totient is φ = 12488856.

The previous prime is 12488851. The next prime is 12488881. The reversal of 12488857 is 75888421.

12488857 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., 11964681 + 524176 = 3459^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12488857 - 2¹⁹ = 11964569 is a prime.

It is not a weakly prime, because it can be changed into another prime (12488851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6244428 + 6244429.

It is an arithmetic number, because the mean of its divisors is an integer number (6244429).

Almost surely, 2^12488857 is an apocalyptic number.

It is an amenable number.

12488857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12488857 is an equidigital number, since it uses as much as digits as its factorization.

12488857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 43.

The square root of 12488857 is about 3533.9576964078. The cubic root of 12488857 is about 232.0104595463.

The spelling of 12488857 in words is "twelve million, four hundred eighty-eight thousand, eight hundred fifty-seven".